Home / 8,787.40-13,179.04-2,545.74

Finding the Fourth Proportional to 8,787.40, 13,179.04 and 2,545.74

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Solution

The fourth proportional to 8,787.40, 13,179.04 and 2,545.74 is: 3,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.40 : 13,179.04 = 2,545.74 : x
  2. Step 2: Convert to fraction form
    8,787.40/13,179.04 = 2,545.74/x
  3. Step 3: Cross multiply
    8,787.40x = 13,179.04 × 2,545.74
  4. Step 4: Simplify right side
    8,787.40x = 33,550,409.29
  5. Step 5: Solve for x
    x = 33,550,409.29/8,787.40
  6. Step 6: Final answer
    x = 3,818.01

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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.