Home / 7,272.23-10,034.79-4,085.69

Finding the Fourth Proportional to 7,272.23, 10,034.79 and 4,085.69

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Solution

The fourth proportional to 7,272.23, 10,034.79 and 4,085.69 is: 5,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.23 : 10,034.79 = 4,085.69 : x
  2. Step 2: Convert to fraction form
    7,272.23/10,034.79 = 4,085.69/x
  3. Step 3: Cross multiply
    7,272.23x = 10,034.79 × 4,085.69
  4. Step 4: Simplify right side
    7,272.23x = 40,998,990.98
  5. Step 5: Solve for x
    x = 40,998,990.98/7,272.23
  6. Step 6: Final answer
    x = 5,637.75

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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.