Home / 8,816.81-13,221.30-4,133.03

Finding the Fourth Proportional to 8,816.81, 13,221.30 and 4,133.03

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Solution

The fourth proportional to 8,816.81, 13,221.30 and 4,133.03 is: 6,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.81 : 13,221.30 = 4,133.03 : x
  2. Step 2: Convert to fraction form
    8,816.81/13,221.30 = 4,133.03/x
  3. Step 3: Cross multiply
    8,816.81x = 13,221.30 × 4,133.03
  4. Step 4: Simplify right side
    8,816.81x = 54,644,062.59
  5. Step 5: Solve for x
    x = 54,644,062.59/8,816.81
  6. Step 6: Final answer
    x = 6,197.72

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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.