Home / 6,623.64-9,140.58-3,791.52

Finding the Fourth Proportional to 6,623.64, 9,140.58 and 3,791.52

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Solution

The fourth proportional to 6,623.64, 9,140.58 and 3,791.52 is: 5,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.64 : 9,140.58 = 3,791.52 : x
  2. Step 2: Convert to fraction form
    6,623.64/9,140.58 = 3,791.52/x
  3. Step 3: Cross multiply
    6,623.64x = 9,140.58 × 3,791.52
  4. Step 4: Simplify right side
    6,623.64x = 34,656,691.88
  5. Step 5: Solve for x
    x = 34,656,691.88/6,623.64
  6. Step 6: Final answer
    x = 5,232.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.