Home / 4,282.89-6,427.40-1,818.39

Finding the Fourth Proportional to 4,282.89, 6,427.40 and 1,818.39

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Solution

The fourth proportional to 4,282.89, 6,427.40 and 1,818.39 is: 2,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.89 : 6,427.40 = 1,818.39 : x
  2. Step 2: Convert to fraction form
    4,282.89/6,427.40 = 1,818.39/x
  3. Step 3: Cross multiply
    4,282.89x = 6,427.40 × 1,818.39
  4. Step 4: Simplify right side
    4,282.89x = 11,687,519.89
  5. Step 5: Solve for x
    x = 11,687,519.89/4,282.89
  6. Step 6: Final answer
    x = 2,728.89

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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.