Home / 4,818.56-7,231.95-2,190.06

Finding the Fourth Proportional to 4,818.56, 7,231.95 and 2,190.06

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Solution

The fourth proportional to 4,818.56, 7,231.95 and 2,190.06 is: 3,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.56 : 7,231.95 = 2,190.06 : x
  2. Step 2: Convert to fraction form
    4,818.56/7,231.95 = 2,190.06/x
  3. Step 3: Cross multiply
    4,818.56x = 7,231.95 × 2,190.06
  4. Step 4: Simplify right side
    4,818.56x = 15,838,404.42
  5. Step 5: Solve for x
    x = 15,838,404.42/4,818.56
  6. Step 6: Final answer
    x = 3,286.96

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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.