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Finding the Fourth Proportional to 6,287.52, 8,676.69 and 3,454.92

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Solution

The fourth proportional to 6,287.52, 8,676.69 and 3,454.92 is: 4,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.52 : 8,676.69 = 3,454.92 : x
  2. Step 2: Convert to fraction form
    6,287.52/8,676.69 = 3,454.92/x
  3. Step 3: Cross multiply
    6,287.52x = 8,676.69 × 3,454.92
  4. Step 4: Simplify right side
    6,287.52x = 29,977,269.81
  5. Step 5: Solve for x
    x = 29,977,269.81/6,287.52
  6. Step 6: Final answer
    x = 4,767.74

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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.