Home / 7,713.04-11,569.20-3,092.80

Finding the Fourth Proportional to 7,713.04, 11,569.20 and 3,092.80

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Solution

The fourth proportional to 7,713.04, 11,569.20 and 3,092.80 is: 4,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.04 : 11,569.20 = 3,092.80 : x
  2. Step 2: Convert to fraction form
    7,713.04/11,569.20 = 3,092.80/x
  3. Step 3: Cross multiply
    7,713.04x = 11,569.20 × 3,092.80
  4. Step 4: Simplify right side
    7,713.04x = 35,781,221.76
  5. Step 5: Solve for x
    x = 35,781,221.76/7,713.04
  6. Step 6: Final answer
    x = 4,639.06

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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.