Home / 6,623.78-9,140.51-3,791.00

Finding the Fourth Proportional to 6,623.78, 9,140.51 and 3,791.00

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Solution

The fourth proportional to 6,623.78, 9,140.51 and 3,791.00 is: 5,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.78 : 9,140.51 = 3,791.00 : x
  2. Step 2: Convert to fraction form
    6,623.78/9,140.51 = 3,791.00/x
  3. Step 3: Cross multiply
    6,623.78x = 9,140.51 × 3,791.00
  4. Step 4: Simplify right side
    6,623.78x = 34,651,705.74
  5. Step 5: Solve for x
    x = 34,651,705.74/6,623.78
  6. Step 6: Final answer
    x = 5,231.41

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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.