Home / 5,617.88-7,752.76-3,100.10

Finding the Fourth Proportional to 5,617.88, 7,752.76 and 3,100.10

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Solution

The fourth proportional to 5,617.88, 7,752.76 and 3,100.10 is: 4,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.88 : 7,752.76 = 3,100.10 : x
  2. Step 2: Convert to fraction form
    5,617.88/7,752.76 = 3,100.10/x
  3. Step 3: Cross multiply
    5,617.88x = 7,752.76 × 3,100.10
  4. Step 4: Simplify right side
    5,617.88x = 24,034,331.28
  5. Step 5: Solve for x
    x = 24,034,331.28/5,617.88
  6. Step 6: Final answer
    x = 4,278.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.