Home / 6,165.21-8,508.58-3,648.12

Finding the Fourth Proportional to 6,165.21, 8,508.58 and 3,648.12

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Solution

The fourth proportional to 6,165.21, 8,508.58 and 3,648.12 is: 5,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.21 : 8,508.58 = 3,648.12 : x
  2. Step 2: Convert to fraction form
    6,165.21/8,508.58 = 3,648.12/x
  3. Step 3: Cross multiply
    6,165.21x = 8,508.58 × 3,648.12
  4. Step 4: Simplify right side
    6,165.21x = 31,040,320.87
  5. Step 5: Solve for x
    x = 31,040,320.87/6,165.21
  6. Step 6: Final answer
    x = 5,034.75

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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.