Home / 4,410.78-6,616.21-1,123.87

Finding the Fourth Proportional to 4,410.78, 6,616.21 and 1,123.87

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Solution

The fourth proportional to 4,410.78, 6,616.21 and 1,123.87 is: 1,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.78 : 6,616.21 = 1,123.87 : x
  2. Step 2: Convert to fraction form
    4,410.78/6,616.21 = 1,123.87/x
  3. Step 3: Cross multiply
    4,410.78x = 6,616.21 × 1,123.87
  4. Step 4: Simplify right side
    4,410.78x = 7,435,759.93
  5. Step 5: Solve for x
    x = 7,435,759.93/4,410.78
  6. Step 6: Final answer
    x = 1,685.82

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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.