Home / 9,149.31-13,724.10-2,910.29

Finding the Fourth Proportional to 9,149.31, 13,724.10 and 2,910.29

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Solution

The fourth proportional to 9,149.31, 13,724.10 and 2,910.29 is: 4,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.31 : 13,724.10 = 2,910.29 : x
  2. Step 2: Convert to fraction form
    9,149.31/13,724.10 = 2,910.29/x
  3. Step 3: Cross multiply
    9,149.31x = 13,724.10 × 2,910.29
  4. Step 4: Simplify right side
    9,149.31x = 39,941,042.37
  5. Step 5: Solve for x
    x = 39,941,042.37/9,149.31
  6. Step 6: Final answer
    x = 4,365.47

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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.