Home / 7,914.48-11,873.16-2,719.20

Finding the Fourth Proportional to 7,914.48, 11,873.16 and 2,719.20

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Solution

The fourth proportional to 7,914.48, 11,873.16 and 2,719.20 is: 4,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.48 : 11,873.16 = 2,719.20 : x
  2. Step 2: Convert to fraction form
    7,914.48/11,873.16 = 2,719.20/x
  3. Step 3: Cross multiply
    7,914.48x = 11,873.16 × 2,719.20
  4. Step 4: Simplify right side
    7,914.48x = 32,285,496.67
  5. Step 5: Solve for x
    x = 32,285,496.67/7,914.48
  6. Step 6: Final answer
    x = 4,079.29

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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.