Home / 4,338.51-6,508.20-1,218.52

Finding the Fourth Proportional to 4,338.51, 6,508.20 and 1,218.52

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Solution

The fourth proportional to 4,338.51, 6,508.20 and 1,218.52 is: 1,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.51 : 6,508.20 = 1,218.52 : x
  2. Step 2: Convert to fraction form
    4,338.51/6,508.20 = 1,218.52/x
  3. Step 3: Cross multiply
    4,338.51x = 6,508.20 × 1,218.52
  4. Step 4: Simplify right side
    4,338.51x = 7,930,371.86
  5. Step 5: Solve for x
    x = 7,930,371.86/4,338.51
  6. Step 6: Final answer
    x = 1,827.90

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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.