Home / 7,085.22-10,621.05-2,641.71

Finding the Fourth Proportional to 7,085.22, 10,621.05 and 2,641.71

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Solution

The fourth proportional to 7,085.22, 10,621.05 and 2,641.71 is: 3,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.22 : 10,621.05 = 2,641.71 : x
  2. Step 2: Convert to fraction form
    7,085.22/10,621.05 = 2,641.71/x
  3. Step 3: Cross multiply
    7,085.22x = 10,621.05 × 2,641.71
  4. Step 4: Simplify right side
    7,085.22x = 28,057,734.00
  5. Step 5: Solve for x
    x = 28,057,734.00/7,085.22
  6. Step 6: Final answer
    x = 3,960.04

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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.