Home / 8,220.14-12,330.24-2,377.22

Finding the Fourth Proportional to 8,220.14, 12,330.24 and 2,377.22

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Solution

The fourth proportional to 8,220.14, 12,330.24 and 2,377.22 is: 3,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.14 : 12,330.24 = 2,377.22 : x
  2. Step 2: Convert to fraction form
    8,220.14/12,330.24 = 2,377.22/x
  3. Step 3: Cross multiply
    8,220.14x = 12,330.24 × 2,377.22
  4. Step 4: Simplify right side
    8,220.14x = 29,311,693.13
  5. Step 5: Solve for x
    x = 29,311,693.13/8,220.14
  6. Step 6: Final answer
    x = 3,565.84

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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.