Home / 8,877.25-13,312.40-3,327.57

Finding the Fourth Proportional to 8,877.25, 13,312.40 and 3,327.57

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Solution

The fourth proportional to 8,877.25, 13,312.40 and 3,327.57 is: 4,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.25 : 13,312.40 = 3,327.57 : x
  2. Step 2: Convert to fraction form
    8,877.25/13,312.40 = 3,327.57/x
  3. Step 3: Cross multiply
    8,877.25x = 13,312.40 × 3,327.57
  4. Step 4: Simplify right side
    8,877.25x = 44,297,898.15
  5. Step 5: Solve for x
    x = 44,297,898.15/8,877.25
  6. Step 6: Final answer
    x = 4,990.05

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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.