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Finding the Fourth Proportional to 8,247.58, 12,363.87 and 4,294.19

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Solution

The fourth proportional to 8,247.58, 12,363.87 and 4,294.19 is: 6,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.58 : 12,363.87 = 4,294.19 : x
  2. Step 2: Convert to fraction form
    8,247.58/12,363.87 = 4,294.19/x
  3. Step 3: Cross multiply
    8,247.58x = 12,363.87 × 4,294.19
  4. Step 4: Simplify right side
    8,247.58x = 53,092,837.82
  5. Step 5: Solve for x
    x = 53,092,837.82/8,247.58
  6. Step 6: Final answer
    x = 6,437.39

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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.