Home / 6,433.11-8,878.48-3,780.77

Finding the Fourth Proportional to 6,433.11, 8,878.48 and 3,780.77

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Solution

The fourth proportional to 6,433.11, 8,878.48 and 3,780.77 is: 5,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.11 : 8,878.48 = 3,780.77 : x
  2. Step 2: Convert to fraction form
    6,433.11/8,878.48 = 3,780.77/x
  3. Step 3: Cross multiply
    6,433.11x = 8,878.48 × 3,780.77
  4. Step 4: Simplify right side
    6,433.11x = 33,567,436.99
  5. Step 5: Solve for x
    x = 33,567,436.99/6,433.11
  6. Step 6: Final answer
    x = 5,217.92

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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.