Home / 7,645.68-11,470.32-3,028.68

Finding the Fourth Proportional to 7,645.68, 11,470.32 and 3,028.68

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Solution

The fourth proportional to 7,645.68, 11,470.32 and 3,028.68 is: 4,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.68 : 11,470.32 = 3,028.68 : x
  2. Step 2: Convert to fraction form
    7,645.68/11,470.32 = 3,028.68/x
  3. Step 3: Cross multiply
    7,645.68x = 11,470.32 × 3,028.68
  4. Step 4: Simplify right side
    7,645.68x = 34,739,928.78
  5. Step 5: Solve for x
    x = 34,739,928.78/7,645.68
  6. Step 6: Final answer
    x = 4,543.73

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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.