Home / 7,935.08-11,901.26-2,091.74

Finding the Fourth Proportional to 7,935.08, 11,901.26 and 2,091.74

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Solution

The fourth proportional to 7,935.08, 11,901.26 and 2,091.74 is: 3,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.08 : 11,901.26 = 2,091.74 : x
  2. Step 2: Convert to fraction form
    7,935.08/11,901.26 = 2,091.74/x
  3. Step 3: Cross multiply
    7,935.08x = 11,901.26 × 2,091.74
  4. Step 4: Simplify right side
    7,935.08x = 24,894,341.59
  5. Step 5: Solve for x
    x = 24,894,341.59/7,935.08
  6. Step 6: Final answer
    x = 3,137.25

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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.