Home / 4,278.31-6,412.17-2,423.81

Finding the Fourth Proportional to 4,278.31, 6,412.17 and 2,423.81

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Solution

The fourth proportional to 4,278.31, 6,412.17 and 2,423.81 is: 3,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.31 : 6,412.17 = 2,423.81 : x
  2. Step 2: Convert to fraction form
    4,278.31/6,412.17 = 2,423.81/x
  3. Step 3: Cross multiply
    4,278.31x = 6,412.17 × 2,423.81
  4. Step 4: Simplify right side
    4,278.31x = 15,541,840.62
  5. Step 5: Solve for x
    x = 15,541,840.62/4,278.31
  6. Step 6: Final answer
    x = 3,632.70

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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.