Home / 5,058.09-6,980.04-2,819.96

Finding the Fourth Proportional to 5,058.09, 6,980.04 and 2,819.96

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Solution

The fourth proportional to 5,058.09, 6,980.04 and 2,819.96 is: 3,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.09 : 6,980.04 = 2,819.96 : x
  2. Step 2: Convert to fraction form
    5,058.09/6,980.04 = 2,819.96/x
  3. Step 3: Cross multiply
    5,058.09x = 6,980.04 × 2,819.96
  4. Step 4: Simplify right side
    5,058.09x = 19,683,424.87
  5. Step 5: Solve for x
    x = 19,683,424.87/5,058.09
  6. Step 6: Final answer
    x = 3,891.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.