Home / 5,884.47-8,121.06-3,898.89

Finding the Fourth Proportional to 5,884.47, 8,121.06 and 3,898.89

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Solution

The fourth proportional to 5,884.47, 8,121.06 and 3,898.89 is: 5,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.47 : 8,121.06 = 3,898.89 : x
  2. Step 2: Convert to fraction form
    5,884.47/8,121.06 = 3,898.89/x
  3. Step 3: Cross multiply
    5,884.47x = 8,121.06 × 3,898.89
  4. Step 4: Simplify right side
    5,884.47x = 31,663,119.62
  5. Step 5: Solve for x
    x = 31,663,119.62/5,884.47
  6. Step 6: Final answer
    x = 5,380.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.