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Finding the Fourth Proportional to 8,800.79, 13,201.18 and 2,961.50

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Solution

The fourth proportional to 8,800.79, 13,201.18 and 2,961.50 is: 4,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.79 : 13,201.18 = 2,961.50 : x
  2. Step 2: Convert to fraction form
    8,800.79/13,201.18 = 2,961.50/x
  3. Step 3: Cross multiply
    8,800.79x = 13,201.18 × 2,961.50
  4. Step 4: Simplify right side
    8,800.79x = 39,095,294.57
  5. Step 5: Solve for x
    x = 39,095,294.57/8,800.79
  6. Step 6: Final answer
    x = 4,442.25

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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.