Home / 7,433.29-11,149.90-1,886.61

Finding the Fourth Proportional to 7,433.29, 11,149.90 and 1,886.61

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Solution

The fourth proportional to 7,433.29, 11,149.90 and 1,886.61 is: 2,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.29 : 11,149.90 = 1,886.61 : x
  2. Step 2: Convert to fraction form
    7,433.29/11,149.90 = 1,886.61/x
  3. Step 3: Cross multiply
    7,433.29x = 11,149.90 × 1,886.61
  4. Step 4: Simplify right side
    7,433.29x = 21,035,497.83
  5. Step 5: Solve for x
    x = 21,035,497.83/7,433.29
  6. Step 6: Final answer
    x = 2,829.91

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Similar ratio
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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.