Home / 5,268.32-7,888.96-5,112.56

Finding the Fourth Proportional to 5,268.32, 7,888.96 and 5,112.56

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Solution

The fourth proportional to 5,268.32, 7,888.96 and 5,112.56 is: 7,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.32 : 7,888.96 = 5,112.56 : x
  2. Step 2: Convert to fraction form
    5,268.32/7,888.96 = 5,112.56/x
  3. Step 3: Cross multiply
    5,268.32x = 7,888.96 × 5,112.56
  4. Step 4: Simplify right side
    5,268.32x = 40,332,781.34
  5. Step 5: Solve for x
    x = 40,332,781.34/5,268.32
  6. Step 6: Final answer
    x = 7,655.72

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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.