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Finding the Fourth Proportional to 6,395.10, 9,603.07 and 3,945.48

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Solution

The fourth proportional to 6,395.10, 9,603.07 and 3,945.48 is: 5,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.10 : 9,603.07 = 3,945.48 : x
  2. Step 2: Convert to fraction form
    6,395.10/9,603.07 = 3,945.48/x
  3. Step 3: Cross multiply
    6,395.10x = 9,603.07 × 3,945.48
  4. Step 4: Simplify right side
    6,395.10x = 37,888,748.84
  5. Step 5: Solve for x
    x = 37,888,748.84/6,395.10
  6. Step 6: Final answer
    x = 5,924.66

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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.