Home / 5,617.28-7,751.80-3,099.42

Finding the Fourth Proportional to 5,617.28, 7,751.80 and 3,099.42

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Solution

The fourth proportional to 5,617.28, 7,751.80 and 3,099.42 is: 4,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.28 : 7,751.80 = 3,099.42 : x
  2. Step 2: Convert to fraction form
    5,617.28/7,751.80 = 3,099.42/x
  3. Step 3: Cross multiply
    5,617.28x = 7,751.80 × 3,099.42
  4. Step 4: Simplify right side
    5,617.28x = 24,026,029.70
  5. Step 5: Solve for x
    x = 24,026,029.70/5,617.28
  6. Step 6: Final answer
    x = 4,277.16

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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.