Home / 6,650.55-9,177.48-4,257.15

Finding the Fourth Proportional to 6,650.55, 9,177.48 and 4,257.15

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Solution

The fourth proportional to 6,650.55, 9,177.48 and 4,257.15 is: 5,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.55 : 9,177.48 = 4,257.15 : x
  2. Step 2: Convert to fraction form
    6,650.55/9,177.48 = 4,257.15/x
  3. Step 3: Cross multiply
    6,650.55x = 9,177.48 × 4,257.15
  4. Step 4: Simplify right side
    6,650.55x = 39,069,908.98
  5. Step 5: Solve for x
    x = 39,069,908.98/6,650.55
  6. Step 6: Final answer
    x = 5,874.69

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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.