Home / 5,920.17-8,168.85-3,402.15

Finding the Fourth Proportional to 5,920.17, 8,168.85 and 3,402.15

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Solution

The fourth proportional to 5,920.17, 8,168.85 and 3,402.15 is: 4,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.17 : 8,168.85 = 3,402.15 : x
  2. Step 2: Convert to fraction form
    5,920.17/8,168.85 = 3,402.15/x
  3. Step 3: Cross multiply
    5,920.17x = 8,168.85 × 3,402.15
  4. Step 4: Simplify right side
    5,920.17x = 27,791,653.03
  5. Step 5: Solve for x
    x = 27,791,653.03/5,920.17
  6. Step 6: Final answer
    x = 4,694.40

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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.