Home / 7,347.68-11,022.22-2,082.80

Finding the Fourth Proportional to 7,347.68, 11,022.22 and 2,082.80

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Solution

The fourth proportional to 7,347.68, 11,022.22 and 2,082.80 is: 3,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.68 : 11,022.22 = 2,082.80 : x
  2. Step 2: Convert to fraction form
    7,347.68/11,022.22 = 2,082.80/x
  3. Step 3: Cross multiply
    7,347.68x = 11,022.22 × 2,082.80
  4. Step 4: Simplify right side
    7,347.68x = 22,957,079.82
  5. Step 5: Solve for x
    x = 22,957,079.82/7,347.68
  6. Step 6: Final answer
    x = 3,124.40

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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.