Home / 8,861.28-13,291.38-3,667.02

Finding the Fourth Proportional to 8,861.28, 13,291.38 and 3,667.02

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Solution

The fourth proportional to 8,861.28, 13,291.38 and 3,667.02 is: 5,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.28 : 13,291.38 = 3,667.02 : x
  2. Step 2: Convert to fraction form
    8,861.28/13,291.38 = 3,667.02/x
  3. Step 3: Cross multiply
    8,861.28x = 13,291.38 × 3,667.02
  4. Step 4: Simplify right side
    8,861.28x = 48,739,756.29
  5. Step 5: Solve for x
    x = 48,739,756.29/8,861.28
  6. Step 6: Final answer
    x = 5,500.31

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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.