Home / 6,981.60-10,463.49-3,275.65

Finding the Fourth Proportional to 6,981.60, 10,463.49 and 3,275.65

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Solution

The fourth proportional to 6,981.60, 10,463.49 and 3,275.65 is: 4,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.60 : 10,463.49 = 3,275.65 : x
  2. Step 2: Convert to fraction form
    6,981.60/10,463.49 = 3,275.65/x
  3. Step 3: Cross multiply
    6,981.60x = 10,463.49 × 3,275.65
  4. Step 4: Simplify right side
    6,981.60x = 34,274,704.86
  5. Step 5: Solve for x
    x = 34,274,704.86/6,981.60
  6. Step 6: Final answer
    x = 4,909.29

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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.