Home / 5,548.98-7,658.28-3,191.10

Finding the Fourth Proportional to 5,548.98, 7,658.28 and 3,191.10

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Solution

The fourth proportional to 5,548.98, 7,658.28 and 3,191.10 is: 4,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.98 : 7,658.28 = 3,191.10 : x
  2. Step 2: Convert to fraction form
    5,548.98/7,658.28 = 3,191.10/x
  3. Step 3: Cross multiply
    5,548.98x = 7,658.28 × 3,191.10
  4. Step 4: Simplify right side
    5,548.98x = 24,438,337.31
  5. Step 5: Solve for x
    x = 24,438,337.31/5,548.98
  6. Step 6: Final answer
    x = 4,404.11

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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.