Home / 6,370.95-8,791.62-3,538.50

Finding the Fourth Proportional to 6,370.95, 8,791.62 and 3,538.50

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Solution

The fourth proportional to 6,370.95, 8,791.62 and 3,538.50 is: 4,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.95 : 8,791.62 = 3,538.50 : x
  2. Step 2: Convert to fraction form
    6,370.95/8,791.62 = 3,538.50/x
  3. Step 3: Cross multiply
    6,370.95x = 8,791.62 × 3,538.50
  4. Step 4: Simplify right side
    6,370.95x = 31,109,173.70
  5. Step 5: Solve for x
    x = 31,109,173.70/6,370.95
  6. Step 6: Final answer
    x = 4,882.97

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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.