Home / 5,268.24-7,895.88-3,812.40

Finding the Fourth Proportional to 5,268.24, 7,895.88 and 3,812.40

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Solution

The fourth proportional to 5,268.24, 7,895.88 and 3,812.40 is: 5,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.24 : 7,895.88 = 3,812.40 : x
  2. Step 2: Convert to fraction form
    5,268.24/7,895.88 = 3,812.40/x
  3. Step 3: Cross multiply
    5,268.24x = 7,895.88 × 3,812.40
  4. Step 4: Simplify right side
    5,268.24x = 30,102,252.91
  5. Step 5: Solve for x
    x = 30,102,252.91/5,268.24
  6. Step 6: Final answer
    x = 5,713.91

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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.