Home / 5,124.64-7,699.26-3,279.36

Finding the Fourth Proportional to 5,124.64, 7,699.26 and 3,279.36

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Solution

The fourth proportional to 5,124.64, 7,699.26 and 3,279.36 is: 4,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.64 : 7,699.26 = 3,279.36 : x
  2. Step 2: Convert to fraction form
    5,124.64/7,699.26 = 3,279.36/x
  3. Step 3: Cross multiply
    5,124.64x = 7,699.26 × 3,279.36
  4. Step 4: Simplify right side
    5,124.64x = 25,248,645.27
  5. Step 5: Solve for x
    x = 25,248,645.27/5,124.64
  6. Step 6: Final answer
    x = 4,926.91

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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.