Home / 7,935.94-11,904.15-2,389.30

Finding the Fourth Proportional to 7,935.94, 11,904.15 and 2,389.30

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Solution

The fourth proportional to 7,935.94, 11,904.15 and 2,389.30 is: 3,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.94 : 11,904.15 = 2,389.30 : x
  2. Step 2: Convert to fraction form
    7,935.94/11,904.15 = 2,389.30/x
  3. Step 3: Cross multiply
    7,935.94x = 11,904.15 × 2,389.30
  4. Step 4: Simplify right side
    7,935.94x = 28,442,585.60
  5. Step 5: Solve for x
    x = 28,442,585.60/7,935.94
  6. Step 6: Final answer
    x = 3,584.02

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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.