Home / 4,769.25-7,155.12-1,807.71

Finding the Fourth Proportional to 4,769.25, 7,155.12 and 1,807.71

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Solution

The fourth proportional to 4,769.25, 7,155.12 and 1,807.71 is: 2,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.25 : 7,155.12 = 1,807.71 : x
  2. Step 2: Convert to fraction form
    4,769.25/7,155.12 = 1,807.71/x
  3. Step 3: Cross multiply
    4,769.25x = 7,155.12 × 1,807.71
  4. Step 4: Simplify right side
    4,769.25x = 12,934,381.98
  5. Step 5: Solve for x
    x = 12,934,381.98/4,769.25
  6. Step 6: Final answer
    x = 2,712.04

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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.