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Finding the Fourth Proportional to 8,656.22, 11,942.92 and 5,295.53

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Solution

The fourth proportional to 8,656.22, 11,942.92 and 5,295.53 is: 7,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.22 : 11,942.92 = 5,295.53 : x
  2. Step 2: Convert to fraction form
    8,656.22/11,942.92 = 5,295.53/x
  3. Step 3: Cross multiply
    8,656.22x = 11,942.92 × 5,295.53
  4. Step 4: Simplify right side
    8,656.22x = 63,244,038.05
  5. Step 5: Solve for x
    x = 63,244,038.05/8,656.22
  6. Step 6: Final answer
    x = 7,306.20

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1.5x scale

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.