Home / 8,266.31-12,399.47-2,110.31

Finding the Fourth Proportional to 8,266.31, 12,399.47 and 2,110.31

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Solution

The fourth proportional to 8,266.31, 12,399.47 and 2,110.31 is: 3,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.31 : 12,399.47 = 2,110.31 : x
  2. Step 2: Convert to fraction form
    8,266.31/12,399.47 = 2,110.31/x
  3. Step 3: Cross multiply
    8,266.31x = 12,399.47 × 2,110.31
  4. Step 4: Simplify right side
    8,266.31x = 26,166,725.54
  5. Step 5: Solve for x
    x = 26,166,725.54/8,266.31
  6. Step 6: Final answer
    x = 3,165.47

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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.