Home / 4,458.16-6,145.85-3,127.74

Finding the Fourth Proportional to 4,458.16, 6,145.85 and 3,127.74

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Solution

The fourth proportional to 4,458.16, 6,145.85 and 3,127.74 is: 4,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.16 : 6,145.85 = 3,127.74 : x
  2. Step 2: Convert to fraction form
    4,458.16/6,145.85 = 3,127.74/x
  3. Step 3: Cross multiply
    4,458.16x = 6,145.85 × 3,127.74
  4. Step 4: Simplify right side
    4,458.16x = 19,222,620.88
  5. Step 5: Solve for x
    x = 19,222,620.88/4,458.16
  6. Step 6: Final answer
    x = 4,311.78

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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.