Home / 7,845.40-11,748.66-4,375.36

Finding the Fourth Proportional to 7,845.40, 11,748.66 and 4,375.36

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Solution

The fourth proportional to 7,845.40, 11,748.66 and 4,375.36 is: 6,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.40 : 11,748.66 = 4,375.36 : x
  2. Step 2: Convert to fraction form
    7,845.40/11,748.66 = 4,375.36/x
  3. Step 3: Cross multiply
    7,845.40x = 11,748.66 × 4,375.36
  4. Step 4: Simplify right side
    7,845.40x = 51,404,617.02
  5. Step 5: Solve for x
    x = 51,404,617.02/7,845.40
  6. Step 6: Final answer
    x = 6,552.20

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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.