Home / 7,085.68-10,628.54-3,387.07

Finding the Fourth Proportional to 7,085.68, 10,628.54 and 3,387.07

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Solution

The fourth proportional to 7,085.68, 10,628.54 and 3,387.07 is: 5,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.68 : 10,628.54 = 3,387.07 : x
  2. Step 2: Convert to fraction form
    7,085.68/10,628.54 = 3,387.07/x
  3. Step 3: Cross multiply
    7,085.68x = 10,628.54 × 3,387.07
  4. Step 4: Simplify right side
    7,085.68x = 35,999,608.98
  5. Step 5: Solve for x
    x = 35,999,608.98/7,085.68
  6. Step 6: Final answer
    x = 5,080.61

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.