Home / 8,812.28-13,218.21-2,572.04

Finding the Fourth Proportional to 8,812.28, 13,218.21 and 2,572.04

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Solution

The fourth proportional to 8,812.28, 13,218.21 and 2,572.04 is: 3,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.28 : 13,218.21 = 2,572.04 : x
  2. Step 2: Convert to fraction form
    8,812.28/13,218.21 = 2,572.04/x
  3. Step 3: Cross multiply
    8,812.28x = 13,218.21 × 2,572.04
  4. Step 4: Simplify right side
    8,812.28x = 33,997,698.76
  5. Step 5: Solve for x
    x = 33,997,698.76/8,812.28
  6. Step 6: Final answer
    x = 3,857.99

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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.