Home / 7,751.68-11,617.44-3,132.16

Finding the Fourth Proportional to 7,751.68, 11,617.44 and 3,132.16

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Solution

The fourth proportional to 7,751.68, 11,617.44 and 3,132.16 is: 4,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.68 : 11,617.44 = 3,132.16 : x
  2. Step 2: Convert to fraction form
    7,751.68/11,617.44 = 3,132.16/x
  3. Step 3: Cross multiply
    7,751.68x = 11,617.44 × 3,132.16
  4. Step 4: Simplify right side
    7,751.68x = 36,387,680.87
  5. Step 5: Solve for x
    x = 36,387,680.87/7,751.68
  6. Step 6: Final answer
    x = 4,694.17

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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.