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Finding the Fourth Proportional to 9,100.59, 13,650.88 and 2,861.15

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Solution

The fourth proportional to 9,100.59, 13,650.88 and 2,861.15 is: 4,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.59 : 13,650.88 = 2,861.15 : x
  2. Step 2: Convert to fraction form
    9,100.59/13,650.88 = 2,861.15/x
  3. Step 3: Cross multiply
    9,100.59x = 13,650.88 × 2,861.15
  4. Step 4: Simplify right side
    9,100.59x = 39,057,222.06
  5. Step 5: Solve for x
    x = 39,057,222.06/9,100.59
  6. Step 6: Final answer
    x = 4,291.72

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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.