Home / 6,960.12-10,436.40-3,207.84

Finding the Fourth Proportional to 6,960.12, 10,436.40 and 3,207.84

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Solution

The fourth proportional to 6,960.12, 10,436.40 and 3,207.84 is: 4,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.12 : 10,436.40 = 3,207.84 : x
  2. Step 2: Convert to fraction form
    6,960.12/10,436.40 = 3,207.84/x
  3. Step 3: Cross multiply
    6,960.12x = 10,436.40 × 3,207.84
  4. Step 4: Simplify right side
    6,960.12x = 33,478,301.38
  5. Step 5: Solve for x
    x = 33,478,301.38/6,960.12
  6. Step 6: Final answer
    x = 4,810.02

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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.