Home / 5,103.51-7,640.40-3,793.08

Finding the Fourth Proportional to 5,103.51, 7,640.40 and 3,793.08

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Solution

The fourth proportional to 5,103.51, 7,640.40 and 3,793.08 is: 5,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.51 : 7,640.40 = 3,793.08 : x
  2. Step 2: Convert to fraction form
    5,103.51/7,640.40 = 3,793.08/x
  3. Step 3: Cross multiply
    5,103.51x = 7,640.40 × 3,793.08
  4. Step 4: Simplify right side
    5,103.51x = 28,980,648.43
  5. Step 5: Solve for x
    x = 28,980,648.43/5,103.51
  6. Step 6: Final answer
    x = 5,678.57

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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.