Home / 7,886.24-11,829.48-3,729.20

Finding the Fourth Proportional to 7,886.24, 11,829.48 and 3,729.20

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Solution

The fourth proportional to 7,886.24, 11,829.48 and 3,729.20 is: 5,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.24 : 11,829.48 = 3,729.20 : x
  2. Step 2: Convert to fraction form
    7,886.24/11,829.48 = 3,729.20/x
  3. Step 3: Cross multiply
    7,886.24x = 11,829.48 × 3,729.20
  4. Step 4: Simplify right side
    7,886.24x = 44,114,496.82
  5. Step 5: Solve for x
    x = 44,114,496.82/7,886.24
  6. Step 6: Final answer
    x = 5,593.86

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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.