Home / 9,101.44-12,505.52-7,235.20

Finding the Fourth Proportional to 9,101.44, 12,505.52 and 7,235.20

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Solution

The fourth proportional to 9,101.44, 12,505.52 and 7,235.20 is: 9,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.44 : 12,505.52 = 7,235.20 : x
  2. Step 2: Convert to fraction form
    9,101.44/12,505.52 = 7,235.20/x
  3. Step 3: Cross multiply
    9,101.44x = 12,505.52 × 7,235.20
  4. Step 4: Simplify right side
    9,101.44x = 90,479,938.30
  5. Step 5: Solve for x
    x = 90,479,938.30/9,101.44
  6. Step 6: Final answer
    x = 9,941.28

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Half scale
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Double scale
Find fourth proportional to 9,102.44, 12,506.89 and 7,236.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.