Home / 4,186.28-6,275.34-1,994.42

Finding the Fourth Proportional to 4,186.28, 6,275.34 and 1,994.42

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Solution

The fourth proportional to 4,186.28, 6,275.34 and 1,994.42 is: 2,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.28 : 6,275.34 = 1,994.42 : x
  2. Step 2: Convert to fraction form
    4,186.28/6,275.34 = 1,994.42/x
  3. Step 3: Cross multiply
    4,186.28x = 6,275.34 × 1,994.42
  4. Step 4: Simplify right side
    4,186.28x = 12,515,663.60
  5. Step 5: Solve for x
    x = 12,515,663.60/4,186.28
  6. Step 6: Final answer
    x = 2,989.69

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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.