Home / 8,259.60-12,389.52-2,416.04

Finding the Fourth Proportional to 8,259.60, 12,389.52 and 2,416.04

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Solution

The fourth proportional to 8,259.60, 12,389.52 and 2,416.04 is: 3,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.60 : 12,389.52 = 2,416.04 : x
  2. Step 2: Convert to fraction form
    8,259.60/12,389.52 = 2,416.04/x
  3. Step 3: Cross multiply
    8,259.60x = 12,389.52 × 2,416.04
  4. Step 4: Simplify right side
    8,259.60x = 29,933,575.90
  5. Step 5: Solve for x
    x = 29,933,575.90/8,259.60
  6. Step 6: Final answer
    x = 3,624.10

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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.