Home / 5,126.22-7,071.42-3,427.65

Finding the Fourth Proportional to 5,126.22, 7,071.42 and 3,427.65

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Solution

The fourth proportional to 5,126.22, 7,071.42 and 3,427.65 is: 4,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.22 : 7,071.42 = 3,427.65 : x
  2. Step 2: Convert to fraction form
    5,126.22/7,071.42 = 3,427.65/x
  3. Step 3: Cross multiply
    5,126.22x = 7,071.42 × 3,427.65
  4. Step 4: Simplify right side
    5,126.22x = 24,238,352.76
  5. Step 5: Solve for x
    x = 24,238,352.76/5,126.22
  6. Step 6: Final answer
    x = 4,728.31

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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.