Home / 4,980.47-7,470.09-2,058.39

Finding the Fourth Proportional to 4,980.47, 7,470.09 and 2,058.39

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Solution

The fourth proportional to 4,980.47, 7,470.09 and 2,058.39 is: 3,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.47 : 7,470.09 = 2,058.39 : x
  2. Step 2: Convert to fraction form
    4,980.47/7,470.09 = 2,058.39/x
  3. Step 3: Cross multiply
    4,980.47x = 7,470.09 × 2,058.39
  4. Step 4: Simplify right side
    4,980.47x = 15,376,358.56
  5. Step 5: Solve for x
    x = 15,376,358.56/4,980.47
  6. Step 6: Final answer
    x = 3,087.33

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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.