Home / 4,468.20-6,702.30-4,278.60

Finding the Fourth Proportional to 4,468.20, 6,702.30 and 4,278.60

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Solution

The fourth proportional to 4,468.20, 6,702.30 and 4,278.60 is: 6,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,468.20 : 6,702.30 = 4,278.60 : x
  2. Step 2: Convert to fraction form
    4,468.20/6,702.30 = 4,278.60/x
  3. Step 3: Cross multiply
    4,468.20x = 6,702.30 × 4,278.60
  4. Step 4: Simplify right side
    4,468.20x = 28,676,460.78
  5. Step 5: Solve for x
    x = 28,676,460.78/4,468.20
  6. Step 6: Final answer
    x = 6,417.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.