Home / 6,434.26-9,652.03-1,991.76

Finding the Fourth Proportional to 6,434.26, 9,652.03 and 1,991.76

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Solution

The fourth proportional to 6,434.26, 9,652.03 and 1,991.76 is: 2,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.26 : 9,652.03 = 1,991.76 : x
  2. Step 2: Convert to fraction form
    6,434.26/9,652.03 = 1,991.76/x
  3. Step 3: Cross multiply
    6,434.26x = 9,652.03 × 1,991.76
  4. Step 4: Simplify right side
    6,434.26x = 19,224,486.10
  5. Step 5: Solve for x
    x = 19,224,486.10/6,434.26
  6. Step 6: Final answer
    x = 2,987.83

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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.