Home / 4,778.91-6,603.45-3,738.87

Finding the Fourth Proportional to 4,778.91, 6,603.45 and 3,738.87

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Solution

The fourth proportional to 4,778.91, 6,603.45 and 3,738.87 is: 5,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.91 : 6,603.45 = 3,738.87 : x
  2. Step 2: Convert to fraction form
    4,778.91/6,603.45 = 3,738.87/x
  3. Step 3: Cross multiply
    4,778.91x = 6,603.45 × 3,738.87
  4. Step 4: Simplify right side
    4,778.91x = 24,689,389.39
  5. Step 5: Solve for x
    x = 24,689,389.39/4,778.91
  6. Step 6: Final answer
    x = 5,166.33

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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.