Home / 4,774.38-7,151.82-2,923.93

Finding the Fourth Proportional to 4,774.38, 7,151.82 and 2,923.93

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Solution

The fourth proportional to 4,774.38, 7,151.82 and 2,923.93 is: 4,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.38 : 7,151.82 = 2,923.93 : x
  2. Step 2: Convert to fraction form
    4,774.38/7,151.82 = 2,923.93/x
  3. Step 3: Cross multiply
    4,774.38x = 7,151.82 × 2,923.93
  4. Step 4: Simplify right side
    4,774.38x = 20,911,421.05
  5. Step 5: Solve for x
    x = 20,911,421.05/4,774.38
  6. Step 6: Final answer
    x = 4,379.92

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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.