Home / 5,159.63-7,732.15-2,564.39

Finding the Fourth Proportional to 5,159.63, 7,732.15 and 2,564.39

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Solution

The fourth proportional to 5,159.63, 7,732.15 and 2,564.39 is: 3,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.63 : 7,732.15 = 2,564.39 : x
  2. Step 2: Convert to fraction form
    5,159.63/7,732.15 = 2,564.39/x
  3. Step 3: Cross multiply
    5,159.63x = 7,732.15 × 2,564.39
  4. Step 4: Simplify right side
    5,159.63x = 19,828,248.14
  5. Step 5: Solve for x
    x = 19,828,248.14/5,159.63
  6. Step 6: Final answer
    x = 3,842.96

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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.