Home / 8,614.23-12,921.27-2,770.85

Finding the Fourth Proportional to 8,614.23, 12,921.27 and 2,770.85

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Solution

The fourth proportional to 8,614.23, 12,921.27 and 2,770.85 is: 4,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.23 : 12,921.27 = 2,770.85 : x
  2. Step 2: Convert to fraction form
    8,614.23/12,921.27 = 2,770.85/x
  3. Step 3: Cross multiply
    8,614.23x = 12,921.27 × 2,770.85
  4. Step 4: Simplify right side
    8,614.23x = 35,802,836.37
  5. Step 5: Solve for x
    x = 35,802,836.37/8,614.23
  6. Step 6: Final answer
    x = 4,156.24

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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.