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Finding the Fourth Proportional to 6,370.80, 8,791.68 and 3,576.28

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Solution

The fourth proportional to 6,370.80, 8,791.68 and 3,576.28 is: 4,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.80 : 8,791.68 = 3,576.28 : x
  2. Step 2: Convert to fraction form
    6,370.80/8,791.68 = 3,576.28/x
  3. Step 3: Cross multiply
    6,370.80x = 8,791.68 × 3,576.28
  4. Step 4: Simplify right side
    6,370.80x = 31,441,509.35
  5. Step 5: Solve for x
    x = 31,441,509.35/6,370.80
  6. Step 6: Final answer
    x = 4,935.25

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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.