Home / 8,902.05-13,348.95-2,660.43

Finding the Fourth Proportional to 8,902.05, 13,348.95 and 2,660.43

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Solution

The fourth proportional to 8,902.05, 13,348.95 and 2,660.43 is: 3,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.05 : 13,348.95 = 2,660.43 : x
  2. Step 2: Convert to fraction form
    8,902.05/13,348.95 = 2,660.43/x
  3. Step 3: Cross multiply
    8,902.05x = 13,348.95 × 2,660.43
  4. Step 4: Simplify right side
    8,902.05x = 35,513,947.05
  5. Step 5: Solve for x
    x = 35,513,947.05/8,902.05
  6. Step 6: Final answer
    x = 3,989.41

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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.