Home / 7,742.48-11,593.12-5,282.16

Finding the Fourth Proportional to 7,742.48, 11,593.12 and 5,282.16

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Solution

The fourth proportional to 7,742.48, 11,593.12 and 5,282.16 is: 7,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.48 : 11,593.12 = 5,282.16 : x
  2. Step 2: Convert to fraction form
    7,742.48/11,593.12 = 5,282.16/x
  3. Step 3: Cross multiply
    7,742.48x = 11,593.12 × 5,282.16
  4. Step 4: Simplify right side
    7,742.48x = 61,236,714.74
  5. Step 5: Solve for x
    x = 61,236,714.74/7,742.48
  6. Step 6: Final answer
    x = 7,909.19

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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.