Home / 6,126.20-8,454.30-3,331.72

Finding the Fourth Proportional to 6,126.20, 8,454.30 and 3,331.72

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Solution

The fourth proportional to 6,126.20, 8,454.30 and 3,331.72 is: 4,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.20 : 8,454.30 = 3,331.72 : x
  2. Step 2: Convert to fraction form
    6,126.20/8,454.30 = 3,331.72/x
  3. Step 3: Cross multiply
    6,126.20x = 8,454.30 × 3,331.72
  4. Step 4: Simplify right side
    6,126.20x = 28,167,360.40
  5. Step 5: Solve for x
    x = 28,167,360.40/6,126.20
  6. Step 6: Final answer
    x = 4,597.85

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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.