Home / 5,214.32-7,819.88-2,842

Finding the Fourth Proportional to 5,214.32, 7,819.88 and 2,842

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Solution

The fourth proportional to 5,214.32, 7,819.88 and 2,842 is: 4,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.32 : 7,819.88 = 2,842 : x
  2. Step 2: Convert to fraction form
    5,214.32/7,819.88 = 2,842/x
  3. Step 3: Cross multiply
    5,214.32x = 7,819.88 × 2,842
  4. Step 4: Simplify right side
    5,214.32x = 22,224,098.96
  5. Step 5: Solve for x
    x = 22,224,098.96/5,214.32
  6. Step 6: Final answer
    x = 4,262.13

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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.