Home / 8,557.80-12,844.68-5,277.24

Finding the Fourth Proportional to 8,557.80, 12,844.68 and 5,277.24

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Solution

The fourth proportional to 8,557.80, 12,844.68 and 5,277.24 is: 7,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.80 : 12,844.68 = 5,277.24 : x
  2. Step 2: Convert to fraction form
    8,557.80/12,844.68 = 5,277.24/x
  3. Step 3: Cross multiply
    8,557.80x = 12,844.68 × 5,277.24
  4. Step 4: Simplify right side
    8,557.80x = 67,784,459.08
  5. Step 5: Solve for x
    x = 67,784,459.08/8,557.80
  6. Step 6: Final answer
    x = 7,920.78

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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.