Home / 7,926.32-11,889.77-3,543.81

Finding the Fourth Proportional to 7,926.32, 11,889.77 and 3,543.81

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Solution

The fourth proportional to 7,926.32, 11,889.77 and 3,543.81 is: 5,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.32 : 11,889.77 = 3,543.81 : x
  2. Step 2: Convert to fraction form
    7,926.32/11,889.77 = 3,543.81/x
  3. Step 3: Cross multiply
    7,926.32x = 11,889.77 × 3,543.81
  4. Step 4: Simplify right side
    7,926.32x = 42,135,094.68
  5. Step 5: Solve for x
    x = 42,135,094.68/7,926.32
  6. Step 6: Final answer
    x = 5,315.85

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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.