Home / 4,711.92-7,064.52-1,787.76

Finding the Fourth Proportional to 4,711.92, 7,064.52 and 1,787.76

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Solution

The fourth proportional to 4,711.92, 7,064.52 and 1,787.76 is: 2,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.92 : 7,064.52 = 1,787.76 : x
  2. Step 2: Convert to fraction form
    4,711.92/7,064.52 = 1,787.76/x
  3. Step 3: Cross multiply
    4,711.92x = 7,064.52 × 1,787.76
  4. Step 4: Simplify right side
    4,711.92x = 12,629,666.28
  5. Step 5: Solve for x
    x = 12,629,666.28/4,711.92
  6. Step 6: Final answer
    x = 2,680.37

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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.