Home / 8,969.20-12,377.01-5,610.94

Finding the Fourth Proportional to 8,969.20, 12,377.01 and 5,610.94

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Solution

The fourth proportional to 8,969.20, 12,377.01 and 5,610.94 is: 7,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.20 : 12,377.01 = 5,610.94 : x
  2. Step 2: Convert to fraction form
    8,969.20/12,377.01 = 5,610.94/x
  3. Step 3: Cross multiply
    8,969.20x = 12,377.01 × 5,610.94
  4. Step 4: Simplify right side
    8,969.20x = 69,446,660.49
  5. Step 5: Solve for x
    x = 69,446,660.49/8,969.20
  6. Step 6: Final answer
    x = 7,742.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.