Home / 7,351.98-11,013.18-3,397.68

Finding the Fourth Proportional to 7,351.98, 11,013.18 and 3,397.68

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Solution

The fourth proportional to 7,351.98, 11,013.18 and 3,397.68 is: 5,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.98 : 11,013.18 = 3,397.68 : x
  2. Step 2: Convert to fraction form
    7,351.98/11,013.18 = 3,397.68/x
  3. Step 3: Cross multiply
    7,351.98x = 11,013.18 × 3,397.68
  4. Step 4: Simplify right side
    7,351.98x = 37,419,261.42
  5. Step 5: Solve for x
    x = 37,419,261.42/7,351.98
  6. Step 6: Final answer
    x = 5,089.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.