Home / 6,603.21-9,115.29-3,950.12

Finding the Fourth Proportional to 6,603.21, 9,115.29 and 3,950.12

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Solution

The fourth proportional to 6,603.21, 9,115.29 and 3,950.12 is: 5,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.21 : 9,115.29 = 3,950.12 : x
  2. Step 2: Convert to fraction form
    6,603.21/9,115.29 = 3,950.12/x
  3. Step 3: Cross multiply
    6,603.21x = 9,115.29 × 3,950.12
  4. Step 4: Simplify right side
    6,603.21x = 36,006,443.76
  5. Step 5: Solve for x
    x = 36,006,443.76/6,603.21
  6. Step 6: Final answer
    x = 5,452.87

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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.