Home / 8,890.22-12,268.28-5,861.64

Finding the Fourth Proportional to 8,890.22, 12,268.28 and 5,861.64

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Solution

The fourth proportional to 8,890.22, 12,268.28 and 5,861.64 is: 8,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.22 : 12,268.28 = 5,861.64 : x
  2. Step 2: Convert to fraction form
    8,890.22/12,268.28 = 5,861.64/x
  3. Step 3: Cross multiply
    8,890.22x = 12,268.28 × 5,861.64
  4. Step 4: Simplify right side
    8,890.22x = 71,912,240.78
  5. Step 5: Solve for x
    x = 71,912,240.78/8,890.22
  6. Step 6: Final answer
    x = 8,088.92

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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.