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Finding the Fourth Proportional to 6,221.66, 9,332.48 and 5,123.72

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Solution

The fourth proportional to 6,221.66, 9,332.48 and 5,123.72 is: 7,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.66 : 9,332.48 = 5,123.72 : x
  2. Step 2: Convert to fraction form
    6,221.66/9,332.48 = 5,123.72/x
  3. Step 3: Cross multiply
    6,221.66x = 9,332.48 × 5,123.72
  4. Step 4: Simplify right side
    6,221.66x = 47,817,014.43
  5. Step 5: Solve for x
    x = 47,817,014.43/6,221.66
  6. Step 6: Final answer
    x = 7,685.57

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Similar ratio
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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.