Home / 5,445.16-8,167.79-1,935.23

Finding the Fourth Proportional to 5,445.16, 8,167.79 and 1,935.23

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Solution

The fourth proportional to 5,445.16, 8,167.79 and 1,935.23 is: 2,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.16 : 8,167.79 = 1,935.23 : x
  2. Step 2: Convert to fraction form
    5,445.16/8,167.79 = 1,935.23/x
  3. Step 3: Cross multiply
    5,445.16x = 8,167.79 × 1,935.23
  4. Step 4: Simplify right side
    5,445.16x = 15,806,546.87
  5. Step 5: Solve for x
    x = 15,806,546.87/5,445.16
  6. Step 6: Final answer
    x = 2,902.86

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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.