Home / 8,816.31-13,229.10-3,889.35

Finding the Fourth Proportional to 8,816.31, 13,229.10 and 3,889.35

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Solution

The fourth proportional to 8,816.31, 13,229.10 and 3,889.35 is: 5,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.31 : 13,229.10 = 3,889.35 : x
  2. Step 2: Convert to fraction form
    8,816.31/13,229.10 = 3,889.35/x
  3. Step 3: Cross multiply
    8,816.31x = 13,229.10 × 3,889.35
  4. Step 4: Simplify right side
    8,816.31x = 51,452,600.09
  5. Step 5: Solve for x
    x = 51,452,600.09/8,816.31
  6. Step 6: Final answer
    x = 5,836.07

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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.