Home / 6,675.89-9,212.36-3,691.53

Finding the Fourth Proportional to 6,675.89, 9,212.36 and 3,691.53

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Solution

The fourth proportional to 6,675.89, 9,212.36 and 3,691.53 is: 5,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.89 : 9,212.36 = 3,691.53 : x
  2. Step 2: Convert to fraction form
    6,675.89/9,212.36 = 3,691.53/x
  3. Step 3: Cross multiply
    6,675.89x = 9,212.36 × 3,691.53
  4. Step 4: Simplify right side
    6,675.89x = 34,007,712.54
  5. Step 5: Solve for x
    x = 34,007,712.54/6,675.89
  6. Step 6: Final answer
    x = 5,094.11

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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.