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Finding the Fourth Proportional to 4,295.71, 6,443.79 and 1,373.79

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Solution

The fourth proportional to 4,295.71, 6,443.79 and 1,373.79 is: 2,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.71 : 6,443.79 = 1,373.79 : x
  2. Step 2: Convert to fraction form
    4,295.71/6,443.79 = 1,373.79/x
  3. Step 3: Cross multiply
    4,295.71x = 6,443.79 × 1,373.79
  4. Step 4: Simplify right side
    4,295.71x = 8,852,414.26
  5. Step 5: Solve for x
    x = 8,852,414.26/4,295.71
  6. Step 6: Final answer
    x = 2,060.76

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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.