Home / 5,122.31-7,069.33-3,134.19

Finding the Fourth Proportional to 5,122.31, 7,069.33 and 3,134.19

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Solution

The fourth proportional to 5,122.31, 7,069.33 and 3,134.19 is: 4,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.31 : 7,069.33 = 3,134.19 : x
  2. Step 2: Convert to fraction form
    5,122.31/7,069.33 = 3,134.19/x
  3. Step 3: Cross multiply
    5,122.31x = 7,069.33 × 3,134.19
  4. Step 4: Simplify right side
    5,122.31x = 22,156,636.19
  5. Step 5: Solve for x
    x = 22,156,636.19/5,122.31
  6. Step 6: Final answer
    x = 4,325.51

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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.