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Finding the Fourth Proportional to 8,800.86, 13,182.93 and 5,279.70

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Solution

The fourth proportional to 8,800.86, 13,182.93 and 5,279.70 is: 7,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.86 : 13,182.93 = 5,279.70 : x
  2. Step 2: Convert to fraction form
    8,800.86/13,182.93 = 5,279.70/x
  3. Step 3: Cross multiply
    8,800.86x = 13,182.93 × 5,279.70
  4. Step 4: Simplify right side
    8,800.86x = 69,601,915.52
  5. Step 5: Solve for x
    x = 69,601,915.52/8,800.86
  6. Step 6: Final answer
    x = 7,908.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.