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Finding the Fourth Proportional to 6,375.54, 9,555.20 and 3,603.77

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Solution

The fourth proportional to 6,375.54, 9,555.20 and 3,603.77 is: 5,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.54 : 9,555.20 = 3,603.77 : x
  2. Step 2: Convert to fraction form
    6,375.54/9,555.20 = 3,603.77/x
  3. Step 3: Cross multiply
    6,375.54x = 9,555.20 × 3,603.77
  4. Step 4: Simplify right side
    6,375.54x = 34,434,726.66
  5. Step 5: Solve for x
    x = 34,434,726.66/6,375.54
  6. Step 6: Final answer
    x = 5,401.07

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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.