Home / 6,476.27-9,715.75-2,778.89

Finding the Fourth Proportional to 6,476.27, 9,715.75 and 2,778.89

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Solution

The fourth proportional to 6,476.27, 9,715.75 and 2,778.89 is: 4,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.27 : 9,715.75 = 2,778.89 : x
  2. Step 2: Convert to fraction form
    6,476.27/9,715.75 = 2,778.89/x
  3. Step 3: Cross multiply
    6,476.27x = 9,715.75 × 2,778.89
  4. Step 4: Simplify right side
    6,476.27x = 26,998,944.99
  5. Step 5: Solve for x
    x = 26,998,944.99/6,476.27
  6. Step 6: Final answer
    x = 4,168.91

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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.