Home / 9,162.74-12,644.62-4,971.02

Finding the Fourth Proportional to 9,162.74, 12,644.62 and 4,971.02

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Solution

The fourth proportional to 9,162.74, 12,644.62 and 4,971.02 is: 6,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.74 : 12,644.62 = 4,971.02 : x
  2. Step 2: Convert to fraction form
    9,162.74/12,644.62 = 4,971.02/x
  3. Step 3: Cross multiply
    9,162.74x = 12,644.62 × 4,971.02
  4. Step 4: Simplify right side
    9,162.74x = 62,856,658.91
  5. Step 5: Solve for x
    x = 62,856,658.91/9,162.74
  6. Step 6: Final answer
    x = 6,860.03

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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.