Home / 5,126.00-7,684.20-2,782.58

Finding the Fourth Proportional to 5,126.00, 7,684.20 and 2,782.58

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Solution

The fourth proportional to 5,126.00, 7,684.20 and 2,782.58 is: 4,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.00 : 7,684.20 = 2,782.58 : x
  2. Step 2: Convert to fraction form
    5,126.00/7,684.20 = 2,782.58/x
  3. Step 3: Cross multiply
    5,126.00x = 7,684.20 × 2,782.58
  4. Step 4: Simplify right side
    5,126.00x = 21,381,862.82
  5. Step 5: Solve for x
    x = 21,381,862.82/5,126.00
  6. Step 6: Final answer
    x = 4,171.26

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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.