Home / 4,178.68-6,266-1,581.84

Finding the Fourth Proportional to 4,178.68, 6,266 and 1,581.84

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Solution

The fourth proportional to 4,178.68, 6,266 and 1,581.84 is: 2,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.68 : 6,266 = 1,581.84 : x
  2. Step 2: Convert to fraction form
    4,178.68/6,266 = 1,581.84/x
  3. Step 3: Cross multiply
    4,178.68x = 6,266 × 1,581.84
  4. Step 4: Simplify right side
    4,178.68x = 9,911,809.44
  5. Step 5: Solve for x
    x = 9,911,809.44/4,178.68
  6. Step 6: Final answer
    x = 2,372.00

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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.