Home / 4,178.22-6,267.96-1,256.22

Finding the Fourth Proportional to 4,178.22, 6,267.96 and 1,256.22

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Solution

The fourth proportional to 4,178.22, 6,267.96 and 1,256.22 is: 1,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.22 : 6,267.96 = 1,256.22 : x
  2. Step 2: Convert to fraction form
    4,178.22/6,267.96 = 1,256.22/x
  3. Step 3: Cross multiply
    4,178.22x = 6,267.96 × 1,256.22
  4. Step 4: Simplify right side
    4,178.22x = 7,873,936.71
  5. Step 5: Solve for x
    x = 7,873,936.71/4,178.22
  6. Step 6: Final answer
    x = 1,884.52

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Similar ratio
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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.