Home / 7,950.96-11,926.56-2,108.40

Finding the Fourth Proportional to 7,950.96, 11,926.56 and 2,108.40

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Solution

The fourth proportional to 7,950.96, 11,926.56 and 2,108.40 is: 3,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.96 : 11,926.56 = 2,108.40 : x
  2. Step 2: Convert to fraction form
    7,950.96/11,926.56 = 2,108.40/x
  3. Step 3: Cross multiply
    7,950.96x = 11,926.56 × 2,108.40
  4. Step 4: Simplify right side
    7,950.96x = 25,145,959.10
  5. Step 5: Solve for x
    x = 25,145,959.10/7,950.96
  6. Step 6: Final answer
    x = 3,162.63

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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.