Home / 5,257.22-7,254.66-3,135.16

Finding the Fourth Proportional to 5,257.22, 7,254.66 and 3,135.16

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Solution

The fourth proportional to 5,257.22, 7,254.66 and 3,135.16 is: 4,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.22 : 7,254.66 = 3,135.16 : x
  2. Step 2: Convert to fraction form
    5,257.22/7,254.66 = 3,135.16/x
  3. Step 3: Cross multiply
    5,257.22x = 7,254.66 × 3,135.16
  4. Step 4: Simplify right side
    5,257.22x = 22,744,513.47
  5. Step 5: Solve for x
    x = 22,744,513.47/5,257.22
  6. Step 6: Final answer
    x = 4,326.34

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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.