Home / 6,530.10-9,791.10-3,755.40

Finding the Fourth Proportional to 6,530.10, 9,791.10 and 3,755.40

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Solution

The fourth proportional to 6,530.10, 9,791.10 and 3,755.40 is: 5,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.10 : 9,791.10 = 3,755.40 : x
  2. Step 2: Convert to fraction form
    6,530.10/9,791.10 = 3,755.40/x
  3. Step 3: Cross multiply
    6,530.10x = 9,791.10 × 3,755.40
  4. Step 4: Simplify right side
    6,530.10x = 36,769,496.94
  5. Step 5: Solve for x
    x = 36,769,496.94/6,530.10
  6. Step 6: Final answer
    x = 5,630.77

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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.