Home / 6,637.85-9,961.29-2,742.23

Finding the Fourth Proportional to 6,637.85, 9,961.29 and 2,742.23

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Solution

The fourth proportional to 6,637.85, 9,961.29 and 2,742.23 is: 4,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.85 : 9,961.29 = 2,742.23 : x
  2. Step 2: Convert to fraction form
    6,637.85/9,961.29 = 2,742.23/x
  3. Step 3: Cross multiply
    6,637.85x = 9,961.29 × 2,742.23
  4. Step 4: Simplify right side
    6,637.85x = 27,316,148.28
  5. Step 5: Solve for x
    x = 27,316,148.28/6,637.85
  6. Step 6: Final answer
    x = 4,115.21

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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.