Home / 7,109.98-10,664.26-5,144.92

Finding the Fourth Proportional to 7,109.98, 10,664.26 and 5,144.92

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Solution

The fourth proportional to 7,109.98, 10,664.26 and 5,144.92 is: 7,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.98 : 10,664.26 = 5,144.92 : x
  2. Step 2: Convert to fraction form
    7,109.98/10,664.26 = 5,144.92/x
  3. Step 3: Cross multiply
    7,109.98x = 10,664.26 × 5,144.92
  4. Step 4: Simplify right side
    7,109.98x = 54,866,725.04
  5. Step 5: Solve for x
    x = 54,866,725.04/7,109.98
  6. Step 6: Final answer
    x = 7,716.86

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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.