Home / 7,489.18-10,335.51-4,132.74

Finding the Fourth Proportional to 7,489.18, 10,335.51 and 4,132.74

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Solution

The fourth proportional to 7,489.18, 10,335.51 and 4,132.74 is: 5,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.18 : 10,335.51 = 4,132.74 : x
  2. Step 2: Convert to fraction form
    7,489.18/10,335.51 = 4,132.74/x
  3. Step 3: Cross multiply
    7,489.18x = 10,335.51 × 4,132.74
  4. Step 4: Simplify right side
    7,489.18x = 42,713,954.93
  5. Step 5: Solve for x
    x = 42,713,954.93/7,489.18
  6. Step 6: Final answer
    x = 5,703.43

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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.