Home / 9,479.61-13,081.77-5,230.71

Finding the Fourth Proportional to 9,479.61, 13,081.77 and 5,230.71

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Solution

The fourth proportional to 9,479.61, 13,081.77 and 5,230.71 is: 7,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.61 : 13,081.77 = 5,230.71 : x
  2. Step 2: Convert to fraction form
    9,479.61/13,081.77 = 5,230.71/x
  3. Step 3: Cross multiply
    9,479.61x = 13,081.77 × 5,230.71
  4. Step 4: Simplify right side
    9,479.61x = 68,426,945.16
  5. Step 5: Solve for x
    x = 68,426,945.16/9,479.61
  6. Step 6: Final answer
    x = 7,218.33

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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.