Home / 7,489.17-11,225.85-2,806.12

Finding the Fourth Proportional to 7,489.17, 11,225.85 and 2,806.12

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Solution

The fourth proportional to 7,489.17, 11,225.85 and 2,806.12 is: 4,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.17 : 11,225.85 = 2,806.12 : x
  2. Step 2: Convert to fraction form
    7,489.17/11,225.85 = 2,806.12/x
  3. Step 3: Cross multiply
    7,489.17x = 11,225.85 × 2,806.12
  4. Step 4: Simplify right side
    7,489.17x = 31,501,082.20
  5. Step 5: Solve for x
    x = 31,501,082.20/7,489.17
  6. Step 6: Final answer
    x = 4,206.22

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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.