Home / 7,877.11-11,814.03-3,491.77

Finding the Fourth Proportional to 7,877.11, 11,814.03 and 3,491.77

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Solution

The fourth proportional to 7,877.11, 11,814.03 and 3,491.77 is: 5,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.11 : 11,814.03 = 3,491.77 : x
  2. Step 2: Convert to fraction form
    7,877.11/11,814.03 = 3,491.77/x
  3. Step 3: Cross multiply
    7,877.11x = 11,814.03 × 3,491.77
  4. Step 4: Simplify right side
    7,877.11x = 41,251,875.53
  5. Step 5: Solve for x
    x = 41,251,875.53/7,877.11
  6. Step 6: Final answer
    x = 5,236.93

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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.