Home / 8,217.60-12,328.40-2,374.08

Finding the Fourth Proportional to 8,217.60, 12,328.40 and 2,374.08

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Solution

The fourth proportional to 8,217.60, 12,328.40 and 2,374.08 is: 3,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.60 : 12,328.40 = 2,374.08 : x
  2. Step 2: Convert to fraction form
    8,217.60/12,328.40 = 2,374.08/x
  3. Step 3: Cross multiply
    8,217.60x = 12,328.40 × 2,374.08
  4. Step 4: Simplify right side
    8,217.60x = 29,268,607.87
  5. Step 5: Solve for x
    x = 29,268,607.87/8,217.60
  6. Step 6: Final answer
    x = 3,561.70

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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.