Home / 6,363.80-8,780.24-4,125.77

Finding the Fourth Proportional to 6,363.80, 8,780.24 and 4,125.77

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Solution

The fourth proportional to 6,363.80, 8,780.24 and 4,125.77 is: 5,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.80 : 8,780.24 = 4,125.77 : x
  2. Step 2: Convert to fraction form
    6,363.80/8,780.24 = 4,125.77/x
  3. Step 3: Cross multiply
    6,363.80x = 8,780.24 × 4,125.77
  4. Step 4: Simplify right side
    6,363.80x = 36,225,217.20
  5. Step 5: Solve for x
    x = 36,225,217.20/6,363.80
  6. Step 6: Final answer
    x = 5,692.39

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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.