Home / 4,251.88-6,377.76-1,330.11

Finding the Fourth Proportional to 4,251.88, 6,377.76 and 1,330.11

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Solution

The fourth proportional to 4,251.88, 6,377.76 and 1,330.11 is: 1,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.88 : 6,377.76 = 1,330.11 : x
  2. Step 2: Convert to fraction form
    4,251.88/6,377.76 = 1,330.11/x
  3. Step 3: Cross multiply
    4,251.88x = 6,377.76 × 1,330.11
  4. Step 4: Simplify right side
    4,251.88x = 8,483,090.46
  5. Step 5: Solve for x
    x = 8,483,090.46/4,251.88
  6. Step 6: Final answer
    x = 1,995.14

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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.