Home / 4,399.45-6,599.24-1,477.78

Finding the Fourth Proportional to 4,399.45, 6,599.24 and 1,477.78

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Solution

The fourth proportional to 4,399.45, 6,599.24 and 1,477.78 is: 2,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.45 : 6,599.24 = 1,477.78 : x
  2. Step 2: Convert to fraction form
    4,399.45/6,599.24 = 1,477.78/x
  3. Step 3: Cross multiply
    4,399.45x = 6,599.24 × 1,477.78
  4. Step 4: Simplify right side
    4,399.45x = 9,752,224.89
  5. Step 5: Solve for x
    x = 9,752,224.89/4,399.45
  6. Step 6: Final answer
    x = 2,216.69

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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.