Home / 4,294.47-6,443.10-2,979.54

Finding the Fourth Proportional to 4,294.47, 6,443.10 and 2,979.54

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Solution

The fourth proportional to 4,294.47, 6,443.10 and 2,979.54 is: 4,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.47 : 6,443.10 = 2,979.54 : x
  2. Step 2: Convert to fraction form
    4,294.47/6,443.10 = 2,979.54/x
  3. Step 3: Cross multiply
    4,294.47x = 6,443.10 × 2,979.54
  4. Step 4: Simplify right side
    4,294.47x = 19,197,474.17
  5. Step 5: Solve for x
    x = 19,197,474.17/4,294.47
  6. Step 6: Final answer
    x = 4,470.28

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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.