Home / 4,712.76-7,068.42-2,839.68

Finding the Fourth Proportional to 4,712.76, 7,068.42 and 2,839.68

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Solution

The fourth proportional to 4,712.76, 7,068.42 and 2,839.68 is: 4,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.76 : 7,068.42 = 2,839.68 : x
  2. Step 2: Convert to fraction form
    4,712.76/7,068.42 = 2,839.68/x
  3. Step 3: Cross multiply
    4,712.76x = 7,068.42 × 2,839.68
  4. Step 4: Simplify right side
    4,712.76x = 20,072,050.91
  5. Step 5: Solve for x
    x = 20,072,050.91/4,712.76
  6. Step 6: Final answer
    x = 4,259.09

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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.