Home / 5,616.54-7,750.40-3,098.75

Finding the Fourth Proportional to 5,616.54, 7,750.40 and 3,098.75

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Solution

The fourth proportional to 5,616.54, 7,750.40 and 3,098.75 is: 4,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.54 : 7,750.40 = 3,098.75 : x
  2. Step 2: Convert to fraction form
    5,616.54/7,750.40 = 3,098.75/x
  3. Step 3: Cross multiply
    5,616.54x = 7,750.40 × 3,098.75
  4. Step 4: Simplify right side
    5,616.54x = 24,016,497.75
  5. Step 5: Solve for x
    x = 24,016,497.75/5,616.54
  6. Step 6: Final answer
    x = 4,276.03

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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.