Home / 8,487.93-12,705.24-5,357.10

Finding the Fourth Proportional to 8,487.93, 12,705.24 and 5,357.10

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Solution

The fourth proportional to 8,487.93, 12,705.24 and 5,357.10 is: 8,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.93 : 12,705.24 = 5,357.10 : x
  2. Step 2: Convert to fraction form
    8,487.93/12,705.24 = 5,357.10/x
  3. Step 3: Cross multiply
    8,487.93x = 12,705.24 × 5,357.10
  4. Step 4: Simplify right side
    8,487.93x = 68,063,214.42
  5. Step 5: Solve for x
    x = 68,063,214.42/8,487.93
  6. Step 6: Final answer
    x = 8,018.83

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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.