Home / 4,121.47-6,178.69-3,500.88

Finding the Fourth Proportional to 4,121.47, 6,178.69 and 3,500.88

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Solution

The fourth proportional to 4,121.47, 6,178.69 and 3,500.88 is: 5,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.47 : 6,178.69 = 3,500.88 : x
  2. Step 2: Convert to fraction form
    4,121.47/6,178.69 = 3,500.88/x
  3. Step 3: Cross multiply
    4,121.47x = 6,178.69 × 3,500.88
  4. Step 4: Simplify right side
    4,121.47x = 21,630,852.25
  5. Step 5: Solve for x
    x = 21,630,852.25/4,121.47
  6. Step 6: Final answer
    x = 5,248.33

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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.