Home / 8,888.50-13,331.68-2,315.20

Finding the Fourth Proportional to 8,888.50, 13,331.68 and 2,315.20

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Solution

The fourth proportional to 8,888.50, 13,331.68 and 2,315.20 is: 3,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.50 : 13,331.68 = 2,315.20 : x
  2. Step 2: Convert to fraction form
    8,888.50/13,331.68 = 2,315.20/x
  3. Step 3: Cross multiply
    8,888.50x = 13,331.68 × 2,315.20
  4. Step 4: Simplify right side
    8,888.50x = 30,865,505.54
  5. Step 5: Solve for x
    x = 30,865,505.54/8,888.50
  6. Step 6: Final answer
    x = 3,472.52

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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.