Home / 4,763.13-7,138.89-3,376.86

Finding the Fourth Proportional to 4,763.13, 7,138.89 and 3,376.86

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Solution

The fourth proportional to 4,763.13, 7,138.89 and 3,376.86 is: 5,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.13 : 7,138.89 = 3,376.86 : x
  2. Step 2: Convert to fraction form
    4,763.13/7,138.89 = 3,376.86/x
  3. Step 3: Cross multiply
    4,763.13x = 7,138.89 × 3,376.86
  4. Step 4: Simplify right side
    4,763.13x = 24,107,032.09
  5. Step 5: Solve for x
    x = 24,107,032.09/4,763.13
  6. Step 6: Final answer
    x = 5,061.17

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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.