Home / 6,449.20-8,892.12-4,958.80

Finding the Fourth Proportional to 6,449.20, 8,892.12 and 4,958.80

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Solution

The fourth proportional to 6,449.20, 8,892.12 and 4,958.80 is: 6,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.20 : 8,892.12 = 4,958.80 : x
  2. Step 2: Convert to fraction form
    6,449.20/8,892.12 = 4,958.80/x
  3. Step 3: Cross multiply
    6,449.20x = 8,892.12 × 4,958.80
  4. Step 4: Simplify right side
    6,449.20x = 44,094,244.66
  5. Step 5: Solve for x
    x = 44,094,244.66/6,449.20
  6. Step 6: Final answer
    x = 6,837.17

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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.