Home / 6,719.70-10,081.24-3,948.72

Finding the Fourth Proportional to 6,719.70, 10,081.24 and 3,948.72

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Solution

The fourth proportional to 6,719.70, 10,081.24 and 3,948.72 is: 5,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.70 : 10,081.24 = 3,948.72 : x
  2. Step 2: Convert to fraction form
    6,719.70/10,081.24 = 3,948.72/x
  3. Step 3: Cross multiply
    6,719.70x = 10,081.24 × 3,948.72
  4. Step 4: Simplify right side
    6,719.70x = 39,807,994.01
  5. Step 5: Solve for x
    x = 39,807,994.01/6,719.70
  6. Step 6: Final answer
    x = 5,924.07

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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.