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Finding the Fourth Proportional to 8,797.80, 13,189.40 and 3,250.10

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Solution

The fourth proportional to 8,797.80, 13,189.40 and 3,250.10 is: 4,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.80 : 13,189.40 = 3,250.10 : x
  2. Step 2: Convert to fraction form
    8,797.80/13,189.40 = 3,250.10/x
  3. Step 3: Cross multiply
    8,797.80x = 13,189.40 × 3,250.10
  4. Step 4: Simplify right side
    8,797.80x = 42,866,868.94
  5. Step 5: Solve for x
    x = 42,866,868.94/8,797.80
  6. Step 6: Final answer
    x = 4,872.45

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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.