Home / 7,407.62-11,111.41-3,404.55

Finding the Fourth Proportional to 7,407.62, 11,111.41 and 3,404.55

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Solution

The fourth proportional to 7,407.62, 11,111.41 and 3,404.55 is: 5,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.62 : 11,111.41 = 3,404.55 : x
  2. Step 2: Convert to fraction form
    7,407.62/11,111.41 = 3,404.55/x
  3. Step 3: Cross multiply
    7,407.62x = 11,111.41 × 3,404.55
  4. Step 4: Simplify right side
    7,407.62x = 37,829,350.92
  5. Step 5: Solve for x
    x = 37,829,350.92/7,407.62
  6. Step 6: Final answer
    x = 5,106.82

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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.