Home / 7,272.33-10,034.97-4,085.20

Finding the Fourth Proportional to 7,272.33, 10,034.97 and 4,085.20

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Solution

The fourth proportional to 7,272.33, 10,034.97 and 4,085.20 is: 5,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.33 : 10,034.97 = 4,085.20 : x
  2. Step 2: Convert to fraction form
    7,272.33/10,034.97 = 4,085.20/x
  3. Step 3: Cross multiply
    7,272.33x = 10,034.97 × 4,085.20
  4. Step 4: Simplify right side
    7,272.33x = 40,994,879.65
  5. Step 5: Solve for x
    x = 40,994,879.65/7,272.33
  6. Step 6: Final answer
    x = 5,637.10

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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.