Home / 8,850.28-13,267.74-5,156.20

Finding the Fourth Proportional to 8,850.28, 13,267.74 and 5,156.20

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Solution

The fourth proportional to 8,850.28, 13,267.74 and 5,156.20 is: 7,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.28 : 13,267.74 = 5,156.20 : x
  2. Step 2: Convert to fraction form
    8,850.28/13,267.74 = 5,156.20/x
  3. Step 3: Cross multiply
    8,850.28x = 13,267.74 × 5,156.20
  4. Step 4: Simplify right side
    8,850.28x = 68,411,120.99
  5. Step 5: Solve for x
    x = 68,411,120.99/8,850.28
  6. Step 6: Final answer
    x = 7,729.83

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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.