Home / 7,152.29-10,720.13-2,707.13

Finding the Fourth Proportional to 7,152.29, 10,720.13 and 2,707.13

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Solution

The fourth proportional to 7,152.29, 10,720.13 and 2,707.13 is: 4,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.29 : 10,720.13 = 2,707.13 : x
  2. Step 2: Convert to fraction form
    7,152.29/10,720.13 = 2,707.13/x
  3. Step 3: Cross multiply
    7,152.29x = 10,720.13 × 2,707.13
  4. Step 4: Simplify right side
    7,152.29x = 29,020,819.10
  5. Step 5: Solve for x
    x = 29,020,819.10/7,152.29
  6. Step 6: Final answer
    x = 4,057.55

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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.