Home / 7,407.74-11,109.18-2,475.92

Finding the Fourth Proportional to 7,407.74, 11,109.18 and 2,475.92

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Solution

The fourth proportional to 7,407.74, 11,109.18 and 2,475.92 is: 3,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.74 : 11,109.18 = 2,475.92 : x
  2. Step 2: Convert to fraction form
    7,407.74/11,109.18 = 2,475.92/x
  3. Step 3: Cross multiply
    7,407.74x = 11,109.18 × 2,475.92
  4. Step 4: Simplify right side
    7,407.74x = 27,505,440.95
  5. Step 5: Solve for x
    x = 27,505,440.95/7,407.74
  6. Step 6: Final answer
    x = 3,713.07

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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.