Home / 4,166.78-6,249.59-1,393.39

Finding the Fourth Proportional to 4,166.78, 6,249.59 and 1,393.39

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Solution

The fourth proportional to 4,166.78, 6,249.59 and 1,393.39 is: 2,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.78 : 6,249.59 = 1,393.39 : x
  2. Step 2: Convert to fraction form
    4,166.78/6,249.59 = 1,393.39/x
  3. Step 3: Cross multiply
    4,166.78x = 6,249.59 × 1,393.39
  4. Step 4: Simplify right side
    4,166.78x = 8,708,116.21
  5. Step 5: Solve for x
    x = 8,708,116.21/4,166.78
  6. Step 6: Final answer
    x = 2,089.89

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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.