Home / 7,763.23-11,638.77-5,291.92

Finding the Fourth Proportional to 7,763.23, 11,638.77 and 5,291.92

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Solution

The fourth proportional to 7,763.23, 11,638.77 and 5,291.92 is: 7,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.23 : 11,638.77 = 5,291.92 : x
  2. Step 2: Convert to fraction form
    7,763.23/11,638.77 = 5,291.92/x
  3. Step 3: Cross multiply
    7,763.23x = 11,638.77 × 5,291.92
  4. Step 4: Simplify right side
    7,763.23x = 61,591,439.74
  5. Step 5: Solve for x
    x = 61,591,439.74/7,763.23
  6. Step 6: Final answer
    x = 7,933.74

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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.