Home / 4,791.80-7,187.70-3,625.40

Finding the Fourth Proportional to 4,791.80, 7,187.70 and 3,625.40

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Solution

The fourth proportional to 4,791.80, 7,187.70 and 3,625.40 is: 5,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.80 : 7,187.70 = 3,625.40 : x
  2. Step 2: Convert to fraction form
    4,791.80/7,187.70 = 3,625.40/x
  3. Step 3: Cross multiply
    4,791.80x = 7,187.70 × 3,625.40
  4. Step 4: Simplify right side
    4,791.80x = 26,058,287.58
  5. Step 5: Solve for x
    x = 26,058,287.58/4,791.80
  6. Step 6: Final answer
    x = 5,438.10

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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.