Home / 5,214.24-7,815.29-1,924.02

Finding the Fourth Proportional to 5,214.24, 7,815.29 and 1,924.02

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Solution

The fourth proportional to 5,214.24, 7,815.29 and 1,924.02 is: 2,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.24 : 7,815.29 = 1,924.02 : x
  2. Step 2: Convert to fraction form
    5,214.24/7,815.29 = 1,924.02/x
  3. Step 3: Cross multiply
    5,214.24x = 7,815.29 × 1,924.02
  4. Step 4: Simplify right side
    5,214.24x = 15,036,764.65
  5. Step 5: Solve for x
    x = 15,036,764.65/5,214.24
  6. Step 6: Final answer
    x = 2,883.79

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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.