Home / 4,929.90-7,392.01-3,371.79

Finding the Fourth Proportional to 4,929.90, 7,392.01 and 3,371.79

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Solution

The fourth proportional to 4,929.90, 7,392.01 and 3,371.79 is: 5,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.90 : 7,392.01 = 3,371.79 : x
  2. Step 2: Convert to fraction form
    4,929.90/7,392.01 = 3,371.79/x
  3. Step 3: Cross multiply
    4,929.90x = 7,392.01 × 3,371.79
  4. Step 4: Simplify right side
    4,929.90x = 24,924,331.01
  5. Step 5: Solve for x
    x = 24,924,331.01/4,929.90
  6. Step 6: Final answer
    x = 5,055.74

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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.