Home / 5,026.55-6,932.09-3,138.30

Finding the Fourth Proportional to 5,026.55, 6,932.09 and 3,138.30

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Solution

The fourth proportional to 5,026.55, 6,932.09 and 3,138.30 is: 4,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.55 : 6,932.09 = 3,138.30 : x
  2. Step 2: Convert to fraction form
    5,026.55/6,932.09 = 3,138.30/x
  3. Step 3: Cross multiply
    5,026.55x = 6,932.09 × 3,138.30
  4. Step 4: Simplify right side
    5,026.55x = 21,754,974.12
  5. Step 5: Solve for x
    x = 21,754,974.12/5,026.55
  6. Step 6: Final answer
    x = 4,328.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.