Home / 9,479.42-13,081.65-5,230.54

Finding the Fourth Proportional to 9,479.42, 13,081.65 and 5,230.54

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Solution

The fourth proportional to 9,479.42, 13,081.65 and 5,230.54 is: 7,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.42 : 13,081.65 = 5,230.54 : x
  2. Step 2: Convert to fraction form
    9,479.42/13,081.65 = 5,230.54/x
  3. Step 3: Cross multiply
    9,479.42x = 13,081.65 × 5,230.54
  4. Step 4: Simplify right side
    9,479.42x = 68,424,002.03
  5. Step 5: Solve for x
    x = 68,424,002.03/9,479.42
  6. Step 6: Final answer
    x = 7,218.16

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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.