Home / 9,071.55-12,517.88-5,091.75

Finding the Fourth Proportional to 9,071.55, 12,517.88 and 5,091.75

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Solution

The fourth proportional to 9,071.55, 12,517.88 and 5,091.75 is: 7,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.55 : 12,517.88 = 5,091.75 : x
  2. Step 2: Convert to fraction form
    9,071.55/12,517.88 = 5,091.75/x
  3. Step 3: Cross multiply
    9,071.55x = 12,517.88 × 5,091.75
  4. Step 4: Simplify right side
    9,071.55x = 63,737,890.03
  5. Step 5: Solve for x
    x = 63,737,890.03/9,071.55
  6. Step 6: Final answer
    x = 7,026.13

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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.