Home / 7,617.85-11,427.28-2,937.90

Finding the Fourth Proportional to 7,617.85, 11,427.28 and 2,937.90

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Solution

The fourth proportional to 7,617.85, 11,427.28 and 2,937.90 is: 4,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.85 : 11,427.28 = 2,937.90 : x
  2. Step 2: Convert to fraction form
    7,617.85/11,427.28 = 2,937.90/x
  3. Step 3: Cross multiply
    7,617.85x = 11,427.28 × 2,937.90
  4. Step 4: Simplify right side
    7,617.85x = 33,572,241.42
  5. Step 5: Solve for x
    x = 33,572,241.42/7,617.85
  6. Step 6: Final answer
    x = 4,407.05

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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.