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Finding the Fourth Proportional to 5,750.28, 7,932.42 and 3,652.20

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Solution

The fourth proportional to 5,750.28, 7,932.42 and 3,652.20 is: 5,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.28 : 7,932.42 = 3,652.20 : x
  2. Step 2: Convert to fraction form
    5,750.28/7,932.42 = 3,652.20/x
  3. Step 3: Cross multiply
    5,750.28x = 7,932.42 × 3,652.20
  4. Step 4: Simplify right side
    5,750.28x = 28,970,784.32
  5. Step 5: Solve for x
    x = 28,970,784.32/5,750.28
  6. Step 6: Final answer
    x = 5,038.15

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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.