Home / 5,161.34-7,125.59-3,398.06

Finding the Fourth Proportional to 5,161.34, 7,125.59 and 3,398.06

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Solution

The fourth proportional to 5,161.34, 7,125.59 and 3,398.06 is: 4,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.34 : 7,125.59 = 3,398.06 : x
  2. Step 2: Convert to fraction form
    5,161.34/7,125.59 = 3,398.06/x
  3. Step 3: Cross multiply
    5,161.34x = 7,125.59 × 3,398.06
  4. Step 4: Simplify right side
    5,161.34x = 24,213,208.66
  5. Step 5: Solve for x
    x = 24,213,208.66/5,161.34
  6. Step 6: Final answer
    x = 4,691.27

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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.