Home / 7,753.14-11,629.76-1,909.71

Finding the Fourth Proportional to 7,753.14, 11,629.76 and 1,909.71

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Solution

The fourth proportional to 7,753.14, 11,629.76 and 1,909.71 is: 2,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.14 : 11,629.76 = 1,909.71 : x
  2. Step 2: Convert to fraction form
    7,753.14/11,629.76 = 1,909.71/x
  3. Step 3: Cross multiply
    7,753.14x = 11,629.76 × 1,909.71
  4. Step 4: Simplify right side
    7,753.14x = 22,209,459.42
  5. Step 5: Solve for x
    x = 22,209,459.42/7,753.14
  6. Step 6: Final answer
    x = 2,864.58

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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.