Home / 4,290.82-6,437.61-1,827.74

Finding the Fourth Proportional to 4,290.82, 6,437.61 and 1,827.74

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Solution

The fourth proportional to 4,290.82, 6,437.61 and 1,827.74 is: 2,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.82 : 6,437.61 = 1,827.74 : x
  2. Step 2: Convert to fraction form
    4,290.82/6,437.61 = 1,827.74/x
  3. Step 3: Cross multiply
    4,290.82x = 6,437.61 × 1,827.74
  4. Step 4: Simplify right side
    4,290.82x = 11,766,293.40
  5. Step 5: Solve for x
    x = 11,766,293.40/4,290.82
  6. Step 6: Final answer
    x = 2,742.20

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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.