Home / 6,731.90-10,102.05-2,572.28

Finding the Fourth Proportional to 6,731.90, 10,102.05 and 2,572.28

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Solution

The fourth proportional to 6,731.90, 10,102.05 and 2,572.28 is: 3,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.90 : 10,102.05 = 2,572.28 : x
  2. Step 2: Convert to fraction form
    6,731.90/10,102.05 = 2,572.28/x
  3. Step 3: Cross multiply
    6,731.90x = 10,102.05 × 2,572.28
  4. Step 4: Simplify right side
    6,731.90x = 25,985,250.66
  5. Step 5: Solve for x
    x = 25,985,250.66/6,731.90
  6. Step 6: Final answer
    x = 3,860.02

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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.