Home / 6,719.47-9,271.52-3,924.43

Finding the Fourth Proportional to 6,719.47, 9,271.52 and 3,924.43

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Solution

The fourth proportional to 6,719.47, 9,271.52 and 3,924.43 is: 5,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.47 : 9,271.52 = 3,924.43 : x
  2. Step 2: Convert to fraction form
    6,719.47/9,271.52 = 3,924.43/x
  3. Step 3: Cross multiply
    6,719.47x = 9,271.52 × 3,924.43
  4. Step 4: Simplify right side
    6,719.47x = 36,385,411.61
  5. Step 5: Solve for x
    x = 36,385,411.61/6,719.47
  6. Step 6: Final answer
    x = 5,414.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.