Home / 7,091.40-10,636.29-2,708.76

Finding the Fourth Proportional to 7,091.40, 10,636.29 and 2,708.76

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Solution

The fourth proportional to 7,091.40, 10,636.29 and 2,708.76 is: 4,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.40 : 10,636.29 = 2,708.76 : x
  2. Step 2: Convert to fraction form
    7,091.40/10,636.29 = 2,708.76/x
  3. Step 3: Cross multiply
    7,091.40x = 10,636.29 × 2,708.76
  4. Step 4: Simplify right side
    7,091.40x = 28,811,156.90
  5. Step 5: Solve for x
    x = 28,811,156.90/7,091.40
  6. Step 6: Final answer
    x = 4,062.83

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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.