Home / 7,432.17-10,256.31-4,288.29

Finding the Fourth Proportional to 7,432.17, 10,256.31 and 4,288.29

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Solution

The fourth proportional to 7,432.17, 10,256.31 and 4,288.29 is: 5,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.17 : 10,256.31 = 4,288.29 : x
  2. Step 2: Convert to fraction form
    7,432.17/10,256.31 = 4,288.29/x
  3. Step 3: Cross multiply
    7,432.17x = 10,256.31 × 4,288.29
  4. Step 4: Simplify right side
    7,432.17x = 43,982,031.61
  5. Step 5: Solve for x
    x = 43,982,031.61/7,432.17
  6. Step 6: Final answer
    x = 5,917.79

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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.