Home / 7,967.30-11,956.66-5,339.81

Finding the Fourth Proportional to 7,967.30, 11,956.66 and 5,339.81

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Solution

The fourth proportional to 7,967.30, 11,956.66 and 5,339.81 is: 8,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.30 : 11,956.66 = 5,339.81 : x
  2. Step 2: Convert to fraction form
    7,967.30/11,956.66 = 5,339.81/x
  3. Step 3: Cross multiply
    7,967.30x = 11,956.66 × 5,339.81
  4. Step 4: Simplify right side
    7,967.30x = 63,846,309.18
  5. Step 5: Solve for x
    x = 63,846,309.18/7,967.30
  6. Step 6: Final answer
    x = 8,013.55

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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.