Home / 9,851.40-14,778.45-3,609.90

Finding the Fourth Proportional to 9,851.40, 14,778.45 and 3,609.90

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Solution

The fourth proportional to 9,851.40, 14,778.45 and 3,609.90 is: 5,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.40 : 14,778.45 = 3,609.90 : x
  2. Step 2: Convert to fraction form
    9,851.40/14,778.45 = 3,609.90/x
  3. Step 3: Cross multiply
    9,851.40x = 14,778.45 × 3,609.90
  4. Step 4: Simplify right side
    9,851.40x = 53,348,726.66
  5. Step 5: Solve for x
    x = 53,348,726.66/9,851.40
  6. Step 6: Final answer
    x = 5,415.34

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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.