Home / 5,392.74-8,085.91-2,101.99

Finding the Fourth Proportional to 5,392.74, 8,085.91 and 2,101.99

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Solution

The fourth proportional to 5,392.74, 8,085.91 and 2,101.99 is: 3,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.74 : 8,085.91 = 2,101.99 : x
  2. Step 2: Convert to fraction form
    5,392.74/8,085.91 = 2,101.99/x
  3. Step 3: Cross multiply
    5,392.74x = 8,085.91 × 2,101.99
  4. Step 4: Simplify right side
    5,392.74x = 16,996,493.09
  5. Step 5: Solve for x
    x = 16,996,493.09/5,392.74
  6. Step 6: Final answer
    x = 3,151.74

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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.