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Finding the Fourth Proportional to 8,801.85, 13,193.84 and 2,953.65

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Solution

The fourth proportional to 8,801.85, 13,193.84 and 2,953.65 is: 4,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.85 : 13,193.84 = 2,953.65 : x
  2. Step 2: Convert to fraction form
    8,801.85/13,193.84 = 2,953.65/x
  3. Step 3: Cross multiply
    8,801.85x = 13,193.84 × 2,953.65
  4. Step 4: Simplify right side
    8,801.85x = 38,969,970.75
  5. Step 5: Solve for x
    x = 38,969,970.75/8,801.85
  6. Step 6: Final answer
    x = 4,427.47

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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.