Home / 4,387.66-6,581.47-1,921.82

Finding the Fourth Proportional to 4,387.66, 6,581.47 and 1,921.82

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Solution

The fourth proportional to 4,387.66, 6,581.47 and 1,921.82 is: 2,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.66 : 6,581.47 = 1,921.82 : x
  2. Step 2: Convert to fraction form
    4,387.66/6,581.47 = 1,921.82/x
  3. Step 3: Cross multiply
    4,387.66x = 6,581.47 × 1,921.82
  4. Step 4: Simplify right side
    4,387.66x = 12,648,400.68
  5. Step 5: Solve for x
    x = 12,648,400.68/4,387.66
  6. Step 6: Final answer
    x = 2,882.72

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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.