Home / 7,848.77-11,770.08-3,167.91

Finding the Fourth Proportional to 7,848.77, 11,770.08 and 3,167.91

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Solution

The fourth proportional to 7,848.77, 11,770.08 and 3,167.91 is: 4,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.77 : 11,770.08 = 3,167.91 : x
  2. Step 2: Convert to fraction form
    7,848.77/11,770.08 = 3,167.91/x
  3. Step 3: Cross multiply
    7,848.77x = 11,770.08 × 3,167.91
  4. Step 4: Simplify right side
    7,848.77x = 37,286,568.98
  5. Step 5: Solve for x
    x = 37,286,568.98/7,848.77
  6. Step 6: Final answer
    x = 4,750.62

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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.