Home / 4,455.66-6,148.39-2,662.78

Finding the Fourth Proportional to 4,455.66, 6,148.39 and 2,662.78

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Solution

The fourth proportional to 4,455.66, 6,148.39 and 2,662.78 is: 3,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.66 : 6,148.39 = 2,662.78 : x
  2. Step 2: Convert to fraction form
    4,455.66/6,148.39 = 2,662.78/x
  3. Step 3: Cross multiply
    4,455.66x = 6,148.39 × 2,662.78
  4. Step 4: Simplify right side
    4,455.66x = 16,371,809.92
  5. Step 5: Solve for x
    x = 16,371,809.92/4,455.66
  6. Step 6: Final answer
    x = 3,674.38

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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.