Home / 7,149.47-10,724.20-4,029.55

Finding the Fourth Proportional to 7,149.47, 10,724.20 and 4,029.55

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Solution

The fourth proportional to 7,149.47, 10,724.20 and 4,029.55 is: 6,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.47 : 10,724.20 = 4,029.55 : x
  2. Step 2: Convert to fraction form
    7,149.47/10,724.20 = 4,029.55/x
  3. Step 3: Cross multiply
    7,149.47x = 10,724.20 × 4,029.55
  4. Step 4: Simplify right side
    7,149.47x = 43,213,663.23
  5. Step 5: Solve for x
    x = 43,213,663.23/7,149.47
  6. Step 6: Final answer
    x = 6,044.32

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1.5x scale

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.