Home / 9,479.25-13,081.17-5,230.15

Finding the Fourth Proportional to 9,479.25, 13,081.17 and 5,230.15

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Solution

The fourth proportional to 9,479.25, 13,081.17 and 5,230.15 is: 7,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.25 : 13,081.17 = 5,230.15 : x
  2. Step 2: Convert to fraction form
    9,479.25/13,081.17 = 5,230.15/x
  3. Step 3: Cross multiply
    9,479.25x = 13,081.17 × 5,230.15
  4. Step 4: Simplify right side
    9,479.25x = 68,416,527.06
  5. Step 5: Solve for x
    x = 68,416,527.06/9,479.25
  6. Step 6: Final answer
    x = 7,217.50

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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.