Home / 9,104.40-12,560.96-5,520.48

Finding the Fourth Proportional to 9,104.40, 12,560.96 and 5,520.48

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Solution

The fourth proportional to 9,104.40, 12,560.96 and 5,520.48 is: 7,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.40 : 12,560.96 = 5,520.48 : x
  2. Step 2: Convert to fraction form
    9,104.40/12,560.96 = 5,520.48/x
  3. Step 3: Cross multiply
    9,104.40x = 12,560.96 × 5,520.48
  4. Step 4: Simplify right side
    9,104.40x = 69,342,528.46
  5. Step 5: Solve for x
    x = 69,342,528.46/9,104.40
  6. Step 6: Final answer
    x = 7,616.38

Related Problems

Find fourth proportional to 4,552.20, 6,280.48 and 2,760.24
Half scale
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Double scale
Find fourth proportional to 9,105.40, 12,562.34 and 5,521.48
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.