Home / 7,937.78-11,906.55-2,673.95

Finding the Fourth Proportional to 7,937.78, 11,906.55 and 2,673.95

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Solution

The fourth proportional to 7,937.78, 11,906.55 and 2,673.95 is: 4,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.78 : 11,906.55 = 2,673.95 : x
  2. Step 2: Convert to fraction form
    7,937.78/11,906.55 = 2,673.95/x
  3. Step 3: Cross multiply
    7,937.78x = 11,906.55 × 2,673.95
  4. Step 4: Simplify right side
    7,937.78x = 31,837,459.84
  5. Step 5: Solve for x
    x = 31,837,459.84/7,937.78
  6. Step 6: Final answer
    x = 4,010.88

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1.5x scale

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.