Home / 8,687.28-13,030.92-3,491.94

Finding the Fourth Proportional to 8,687.28, 13,030.92 and 3,491.94

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Solution

The fourth proportional to 8,687.28, 13,030.92 and 3,491.94 is: 5,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.28 : 13,030.92 = 3,491.94 : x
  2. Step 2: Convert to fraction form
    8,687.28/13,030.92 = 3,491.94/x
  3. Step 3: Cross multiply
    8,687.28x = 13,030.92 × 3,491.94
  4. Step 4: Simplify right side
    8,687.28x = 45,503,173.33
  5. Step 5: Solve for x
    x = 45,503,173.33/8,687.28
  6. Step 6: Final answer
    x = 5,237.91

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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.