Home / 7,151.16-10,720.17-2,470.08

Finding the Fourth Proportional to 7,151.16, 10,720.17 and 2,470.08

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Solution

The fourth proportional to 7,151.16, 10,720.17 and 2,470.08 is: 3,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.16 : 10,720.17 = 2,470.08 : x
  2. Step 2: Convert to fraction form
    7,151.16/10,720.17 = 2,470.08/x
  3. Step 3: Cross multiply
    7,151.16x = 10,720.17 × 2,470.08
  4. Step 4: Simplify right side
    7,151.16x = 26,479,677.51
  5. Step 5: Solve for x
    x = 26,479,677.51/7,151.16
  6. Step 6: Final answer
    x = 3,702.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.