Home / 8,861.30-13,291.88-2,286.92

Finding the Fourth Proportional to 8,861.30, 13,291.88 and 2,286.92

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Solution

The fourth proportional to 8,861.30, 13,291.88 and 2,286.92 is: 3,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.30 : 13,291.88 = 2,286.92 : x
  2. Step 2: Convert to fraction form
    8,861.30/13,291.88 = 2,286.92/x
  3. Step 3: Cross multiply
    8,861.30x = 13,291.88 × 2,286.92
  4. Step 4: Simplify right side
    8,861.30x = 30,397,466.21
  5. Step 5: Solve for x
    x = 30,397,466.21/8,861.30
  6. Step 6: Final answer
    x = 3,430.36

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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.