Home / 8,257.48-12,387.30-4,362.04

Finding the Fourth Proportional to 8,257.48, 12,387.30 and 4,362.04

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Solution

The fourth proportional to 8,257.48, 12,387.30 and 4,362.04 is: 6,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.48 : 12,387.30 = 4,362.04 : x
  2. Step 2: Convert to fraction form
    8,257.48/12,387.30 = 4,362.04/x
  3. Step 3: Cross multiply
    8,257.48x = 12,387.30 × 4,362.04
  4. Step 4: Simplify right side
    8,257.48x = 54,033,898.09
  5. Step 5: Solve for x
    x = 54,033,898.09/8,257.48
  6. Step 6: Final answer
    x = 6,543.63

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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.