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Finding the Fourth Proportional to 8,894.08, 12,273.96 and 5,168.08

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Solution

The fourth proportional to 8,894.08, 12,273.96 and 5,168.08 is: 7,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.08 : 12,273.96 = 5,168.08 : x
  2. Step 2: Convert to fraction form
    8,894.08/12,273.96 = 5,168.08/x
  3. Step 3: Cross multiply
    8,894.08x = 12,273.96 × 5,168.08
  4. Step 4: Simplify right side
    8,894.08x = 63,432,807.20
  5. Step 5: Solve for x
    x = 63,432,807.20/8,894.08
  6. Step 6: Final answer
    x = 7,132.03

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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.