Home / 4,282.32-6,418.65-1,938.81

Finding the Fourth Proportional to 4,282.32, 6,418.65 and 1,938.81

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Solution

The fourth proportional to 4,282.32, 6,418.65 and 1,938.81 is: 2,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.32 : 6,418.65 = 1,938.81 : x
  2. Step 2: Convert to fraction form
    4,282.32/6,418.65 = 1,938.81/x
  3. Step 3: Cross multiply
    4,282.32x = 6,418.65 × 1,938.81
  4. Step 4: Simplify right side
    4,282.32x = 12,444,542.81
  5. Step 5: Solve for x
    x = 12,444,542.81/4,282.32
  6. Step 6: Final answer
    x = 2,906.03

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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.