Home / 7,255.80-10,012.96-4,112.12

Finding the Fourth Proportional to 7,255.80, 10,012.96 and 4,112.12

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Solution

The fourth proportional to 7,255.80, 10,012.96 and 4,112.12 is: 5,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.80 : 10,012.96 = 4,112.12 : x
  2. Step 2: Convert to fraction form
    7,255.80/10,012.96 = 4,112.12/x
  3. Step 3: Cross multiply
    7,255.80x = 10,012.96 × 4,112.12
  4. Step 4: Simplify right side
    7,255.80x = 41,174,493.08
  5. Step 5: Solve for x
    x = 41,174,493.08/7,255.80
  6. Step 6: Final answer
    x = 5,674.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.