Home / 4,124.82-6,184.38-2,178.39

Finding the Fourth Proportional to 4,124.82, 6,184.38 and 2,178.39

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Solution

The fourth proportional to 4,124.82, 6,184.38 and 2,178.39 is: 3,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.82 : 6,184.38 = 2,178.39 : x
  2. Step 2: Convert to fraction form
    4,124.82/6,184.38 = 2,178.39/x
  3. Step 3: Cross multiply
    4,124.82x = 6,184.38 × 2,178.39
  4. Step 4: Simplify right side
    4,124.82x = 13,471,991.55
  5. Step 5: Solve for x
    x = 13,471,991.55/4,124.82
  6. Step 6: Final answer
    x = 3,266.08

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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.