Home / 5,763.79-8,637.31-3,129.06

Finding the Fourth Proportional to 5,763.79, 8,637.31 and 3,129.06

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Solution

The fourth proportional to 5,763.79, 8,637.31 and 3,129.06 is: 4,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.79 : 8,637.31 = 3,129.06 : x
  2. Step 2: Convert to fraction form
    5,763.79/8,637.31 = 3,129.06/x
  3. Step 3: Cross multiply
    5,763.79x = 8,637.31 × 3,129.06
  4. Step 4: Simplify right side
    5,763.79x = 27,026,645.58
  5. Step 5: Solve for x
    x = 27,026,645.58/5,763.79
  6. Step 6: Final answer
    x = 4,689.04

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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.