Home / 6,855.40-10,267.98-5,550.76

Finding the Fourth Proportional to 6,855.40, 10,267.98 and 5,550.76

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Solution

The fourth proportional to 6,855.40, 10,267.98 and 5,550.76 is: 8,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.40 : 10,267.98 = 5,550.76 : x
  2. Step 2: Convert to fraction form
    6,855.40/10,267.98 = 5,550.76/x
  3. Step 3: Cross multiply
    6,855.40x = 10,267.98 × 5,550.76
  4. Step 4: Simplify right side
    6,855.40x = 56,995,092.66
  5. Step 5: Solve for x
    x = 56,995,092.66/6,855.40
  6. Step 6: Final answer
    x = 8,313.90

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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.