Home / 5,085.48-7,628.22-2,161.74

Finding the Fourth Proportional to 5,085.48, 7,628.22 and 2,161.74

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Solution

The fourth proportional to 5,085.48, 7,628.22 and 2,161.74 is: 3,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.48 : 7,628.22 = 2,161.74 : x
  2. Step 2: Convert to fraction form
    5,085.48/7,628.22 = 2,161.74/x
  3. Step 3: Cross multiply
    5,085.48x = 7,628.22 × 2,161.74
  4. Step 4: Simplify right side
    5,085.48x = 16,490,228.30
  5. Step 5: Solve for x
    x = 16,490,228.30/5,085.48
  6. Step 6: Final answer
    x = 3,242.61

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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.