Home / 7,407.28-11,110.92-3,023.76

Finding the Fourth Proportional to 7,407.28, 11,110.92 and 3,023.76

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Solution

The fourth proportional to 7,407.28, 11,110.92 and 3,023.76 is: 4,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.28 : 11,110.92 = 3,023.76 : x
  2. Step 2: Convert to fraction form
    7,407.28/11,110.92 = 3,023.76/x
  3. Step 3: Cross multiply
    7,407.28x = 11,110.92 × 3,023.76
  4. Step 4: Simplify right side
    7,407.28x = 33,596,755.46
  5. Step 5: Solve for x
    x = 33,596,755.46/7,407.28
  6. Step 6: Final answer
    x = 4,535.64

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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.