Home / 4,270.78-6,406.17-1,349.31

Finding the Fourth Proportional to 4,270.78, 6,406.17 and 1,349.31

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Solution

The fourth proportional to 4,270.78, 6,406.17 and 1,349.31 is: 2,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.78 : 6,406.17 = 1,349.31 : x
  2. Step 2: Convert to fraction form
    4,270.78/6,406.17 = 1,349.31/x
  3. Step 3: Cross multiply
    4,270.78x = 6,406.17 × 1,349.31
  4. Step 4: Simplify right side
    4,270.78x = 8,643,909.24
  5. Step 5: Solve for x
    x = 8,643,909.24/4,270.78
  6. Step 6: Final answer
    x = 2,023.97

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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.