Home / 8,724.90-13,088-2,801.85

Finding the Fourth Proportional to 8,724.90, 13,088 and 2,801.85

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Solution

The fourth proportional to 8,724.90, 13,088 and 2,801.85 is: 4,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.90 : 13,088 = 2,801.85 : x
  2. Step 2: Convert to fraction form
    8,724.90/13,088 = 2,801.85/x
  3. Step 3: Cross multiply
    8,724.90x = 13,088 × 2,801.85
  4. Step 4: Simplify right side
    8,724.90x = 36,670,612.80
  5. Step 5: Solve for x
    x = 36,670,612.80/8,724.90
  6. Step 6: Final answer
    x = 4,202.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.