Home / 8,808.87-12,158.53-5,449.73

Finding the Fourth Proportional to 8,808.87, 12,158.53 and 5,449.73

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Solution

The fourth proportional to 8,808.87, 12,158.53 and 5,449.73 is: 7,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.87 : 12,158.53 = 5,449.73 : x
  2. Step 2: Convert to fraction form
    8,808.87/12,158.53 = 5,449.73/x
  3. Step 3: Cross multiply
    8,808.87x = 12,158.53 × 5,449.73
  4. Step 4: Simplify right side
    8,808.87x = 66,260,722.47
  5. Step 5: Solve for x
    x = 66,260,722.47/8,808.87
  6. Step 6: Final answer
    x = 7,522.05

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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.