Home / 6,375.45-9,564.78-2,911.89

Finding the Fourth Proportional to 6,375.45, 9,564.78 and 2,911.89

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Solution

The fourth proportional to 6,375.45, 9,564.78 and 2,911.89 is: 4,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.45 : 9,564.78 = 2,911.89 : x
  2. Step 2: Convert to fraction form
    6,375.45/9,564.78 = 2,911.89/x
  3. Step 3: Cross multiply
    6,375.45x = 9,564.78 × 2,911.89
  4. Step 4: Simplify right side
    6,375.45x = 27,851,587.23
  5. Step 5: Solve for x
    x = 27,851,587.23/6,375.45
  6. Step 6: Final answer
    x = 4,368.57

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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.