Home / 6,370.72-8,791.43-3,538.02

Finding the Fourth Proportional to 6,370.72, 8,791.43 and 3,538.02

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Solution

The fourth proportional to 6,370.72, 8,791.43 and 3,538.02 is: 4,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.72 : 8,791.43 = 3,538.02 : x
  2. Step 2: Convert to fraction form
    6,370.72/8,791.43 = 3,538.02/x
  3. Step 3: Cross multiply
    6,370.72x = 8,791.43 × 3,538.02
  4. Step 4: Simplify right side
    6,370.72x = 31,104,255.17
  5. Step 5: Solve for x
    x = 31,104,255.17/6,370.72
  6. Step 6: Final answer
    x = 4,882.38

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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.