Home / 5,306.42-7,960.98-3,117

Finding the Fourth Proportional to 5,306.42, 7,960.98 and 3,117

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Solution

The fourth proportional to 5,306.42, 7,960.98 and 3,117 is: 4,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.42 : 7,960.98 = 3,117 : x
  2. Step 2: Convert to fraction form
    5,306.42/7,960.98 = 3,117/x
  3. Step 3: Cross multiply
    5,306.42x = 7,960.98 × 3,117
  4. Step 4: Simplify right side
    5,306.42x = 24,814,374.66
  5. Step 5: Solve for x
    x = 24,814,374.66/5,306.42
  6. Step 6: Final answer
    x = 4,676.29

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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.