Home / 5,126.20-7,689.30-2,534.20

Finding the Fourth Proportional to 5,126.20, 7,689.30 and 2,534.20

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Solution

The fourth proportional to 5,126.20, 7,689.30 and 2,534.20 is: 3,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.20 : 7,689.30 = 2,534.20 : x
  2. Step 2: Convert to fraction form
    5,126.20/7,689.30 = 2,534.20/x
  3. Step 3: Cross multiply
    5,126.20x = 7,689.30 × 2,534.20
  4. Step 4: Simplify right side
    5,126.20x = 19,486,224.06
  5. Step 5: Solve for x
    x = 19,486,224.06/5,126.20
  6. Step 6: Final answer
    x = 3,801.30

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1.5x scale

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.