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Finding the Fourth Proportional to 6,349.91, 8,758.06 and 5,562.59

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Solution

The fourth proportional to 6,349.91, 8,758.06 and 5,562.59 is: 7,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.91 : 8,758.06 = 5,562.59 : x
  2. Step 2: Convert to fraction form
    6,349.91/8,758.06 = 5,562.59/x
  3. Step 3: Cross multiply
    6,349.91x = 8,758.06 × 5,562.59
  4. Step 4: Simplify right side
    6,349.91x = 48,717,439.28
  5. Step 5: Solve for x
    x = 48,717,439.28/6,349.91
  6. Step 6: Final answer
    x = 7,672.15

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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.