Home / 9,162.75-12,644.60-4,971

Finding the Fourth Proportional to 9,162.75, 12,644.60 and 4,971

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Solution

The fourth proportional to 9,162.75, 12,644.60 and 4,971 is: 6,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.75 : 12,644.60 = 4,971 : x
  2. Step 2: Convert to fraction form
    9,162.75/12,644.60 = 4,971/x
  3. Step 3: Cross multiply
    9,162.75x = 12,644.60 × 4,971
  4. Step 4: Simplify right side
    9,162.75x = 62,856,306.60
  5. Step 5: Solve for x
    x = 62,856,306.60/9,162.75
  6. Step 6: Final answer
    x = 6,859.98

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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.