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Finding the Fourth Proportional to 8,797.90, 13,182.96 and 3,243.59

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Solution

The fourth proportional to 8,797.90, 13,182.96 and 3,243.59 is: 4,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.90 : 13,182.96 = 3,243.59 : x
  2. Step 2: Convert to fraction form
    8,797.90/13,182.96 = 3,243.59/x
  3. Step 3: Cross multiply
    8,797.90x = 13,182.96 × 3,243.59
  4. Step 4: Simplify right side
    8,797.90x = 42,760,117.23
  5. Step 5: Solve for x
    x = 42,760,117.23/8,797.90
  6. Step 6: Final answer
    x = 4,860.26

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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.