Home / 6,427.20-8,861.76-4,434.60

Finding the Fourth Proportional to 6,427.20, 8,861.76 and 4,434.60

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Solution

The fourth proportional to 6,427.20, 8,861.76 and 4,434.60 is: 6,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.20 : 8,861.76 = 4,434.60 : x
  2. Step 2: Convert to fraction form
    6,427.20/8,861.76 = 4,434.60/x
  3. Step 3: Cross multiply
    6,427.20x = 8,861.76 × 4,434.60
  4. Step 4: Simplify right side
    6,427.20x = 39,298,360.90
  5. Step 5: Solve for x
    x = 39,298,360.90/6,427.20
  6. Step 6: Final answer
    x = 6,114.38

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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.