Home / 4,248.90-6,372.39-1,615.47

Finding the Fourth Proportional to 4,248.90, 6,372.39 and 1,615.47

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Solution

The fourth proportional to 4,248.90, 6,372.39 and 1,615.47 is: 2,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248.90 : 6,372.39 = 1,615.47 : x
  2. Step 2: Convert to fraction form
    4,248.90/6,372.39 = 1,615.47/x
  3. Step 3: Cross multiply
    4,248.90x = 6,372.39 × 1,615.47
  4. Step 4: Simplify right side
    4,248.90x = 10,294,398.07
  5. Step 5: Solve for x
    x = 10,294,398.07/4,248.90
  6. Step 6: Final answer
    x = 2,422.84

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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.