Home / 7,926.95-11,890.93-2,661.74

Finding the Fourth Proportional to 7,926.95, 11,890.93 and 2,661.74

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Solution

The fourth proportional to 7,926.95, 11,890.93 and 2,661.74 is: 3,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.95 : 11,890.93 = 2,661.74 : x
  2. Step 2: Convert to fraction form
    7,926.95/11,890.93 = 2,661.74/x
  3. Step 3: Cross multiply
    7,926.95x = 11,890.93 × 2,661.74
  4. Step 4: Simplify right side
    7,926.95x = 31,650,593.75
  5. Step 5: Solve for x
    x = 31,650,593.75/7,926.95
  6. Step 6: Final answer
    x = 3,992.79

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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.