Home / 5,100.84-7,642.19-2,132.74

Finding the Fourth Proportional to 5,100.84, 7,642.19 and 2,132.74

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Solution

The fourth proportional to 5,100.84, 7,642.19 and 2,132.74 is: 3,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.84 : 7,642.19 = 2,132.74 : x
  2. Step 2: Convert to fraction form
    5,100.84/7,642.19 = 2,132.74/x
  3. Step 3: Cross multiply
    5,100.84x = 7,642.19 × 2,132.74
  4. Step 4: Simplify right side
    5,100.84x = 16,298,804.30
  5. Step 5: Solve for x
    x = 16,298,804.30/5,100.84
  6. Step 6: Final answer
    x = 3,195.32

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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.