Home / 8,314.47-11,475.12-4,777.61

Finding the Fourth Proportional to 8,314.47, 11,475.12 and 4,777.61

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Solution

The fourth proportional to 8,314.47, 11,475.12 and 4,777.61 is: 6,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.47 : 11,475.12 = 4,777.61 : x
  2. Step 2: Convert to fraction form
    8,314.47/11,475.12 = 4,777.61/x
  3. Step 3: Cross multiply
    8,314.47x = 11,475.12 × 4,777.61
  4. Step 4: Simplify right side
    8,314.47x = 54,823,590.69
  5. Step 5: Solve for x
    x = 54,823,590.69/8,314.47
  6. Step 6: Final answer
    x = 6,593.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.