Home / 6,976.04-10,463.76-1,781.80

Finding the Fourth Proportional to 6,976.04, 10,463.76 and 1,781.80

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Solution

The fourth proportional to 6,976.04, 10,463.76 and 1,781.80 is: 2,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.04 : 10,463.76 = 1,781.80 : x
  2. Step 2: Convert to fraction form
    6,976.04/10,463.76 = 1,781.80/x
  3. Step 3: Cross multiply
    6,976.04x = 10,463.76 × 1,781.80
  4. Step 4: Simplify right side
    6,976.04x = 18,644,327.57
  5. Step 5: Solve for x
    x = 18,644,327.57/6,976.04
  6. Step 6: Final answer
    x = 2,672.62

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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.