Home / 9,479.23-13,081.25-5,230.33

Finding the Fourth Proportional to 9,479.23, 13,081.25 and 5,230.33

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Solution

The fourth proportional to 9,479.23, 13,081.25 and 5,230.33 is: 7,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.23 : 13,081.25 = 5,230.33 : x
  2. Step 2: Convert to fraction form
    9,479.23/13,081.25 = 5,230.33/x
  3. Step 3: Cross multiply
    9,479.23x = 13,081.25 × 5,230.33
  4. Step 4: Simplify right side
    9,479.23x = 68,419,283.74
  5. Step 5: Solve for x
    x = 68,419,283.74/9,479.23
  6. Step 6: Final answer
    x = 7,217.81

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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.