Home / 5,087.10-7,630.65-3,791.10

Finding the Fourth Proportional to 5,087.10, 7,630.65 and 3,791.10

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Solution

The fourth proportional to 5,087.10, 7,630.65 and 3,791.10 is: 5,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.10 : 7,630.65 = 3,791.10 : x
  2. Step 2: Convert to fraction form
    5,087.10/7,630.65 = 3,791.10/x
  3. Step 3: Cross multiply
    5,087.10x = 7,630.65 × 3,791.10
  4. Step 4: Simplify right side
    5,087.10x = 28,928,557.22
  5. Step 5: Solve for x
    x = 28,928,557.22/5,087.10
  6. Step 6: Final answer
    x = 5,686.65

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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.