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Finding the Fourth Proportional to 8,552.96, 11,788.80 and 8,230.40

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Solution

The fourth proportional to 8,552.96, 11,788.80 and 8,230.40 is: 11,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.96 : 11,788.80 = 8,230.40 : x
  2. Step 2: Convert to fraction form
    8,552.96/11,788.80 = 8,230.40/x
  3. Step 3: Cross multiply
    8,552.96x = 11,788.80 × 8,230.40
  4. Step 4: Simplify right side
    8,552.96x = 97,026,539.52
  5. Step 5: Solve for x
    x = 97,026,539.52/8,552.96
  6. Step 6: Final answer
    x = 11,344.21

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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.