Home / 8,787.33-12,127.64-5,011.83

Finding the Fourth Proportional to 8,787.33, 12,127.64 and 5,011.83

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Solution

The fourth proportional to 8,787.33, 12,127.64 and 5,011.83 is: 6,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.33 : 12,127.64 = 5,011.83 : x
  2. Step 2: Convert to fraction form
    8,787.33/12,127.64 = 5,011.83/x
  3. Step 3: Cross multiply
    8,787.33x = 12,127.64 × 5,011.83
  4. Step 4: Simplify right side
    8,787.33x = 60,781,644.92
  5. Step 5: Solve for x
    x = 60,781,644.92/8,787.33
  6. Step 6: Final answer
    x = 6,916.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.