Home / 7,648.98-11,463.36-4,139.88

Finding the Fourth Proportional to 7,648.98, 11,463.36 and 4,139.88

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Solution

The fourth proportional to 7,648.98, 11,463.36 and 4,139.88 is: 6,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.98 : 11,463.36 = 4,139.88 : x
  2. Step 2: Convert to fraction form
    7,648.98/11,463.36 = 4,139.88/x
  3. Step 3: Cross multiply
    7,648.98x = 11,463.36 × 4,139.88
  4. Step 4: Simplify right side
    7,648.98x = 47,456,934.80
  5. Step 5: Solve for x
    x = 47,456,934.80/7,648.98
  6. Step 6: Final answer
    x = 6,204.35

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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.