Home / 5,017.69-6,923.85-2,779

Finding the Fourth Proportional to 5,017.69, 6,923.85 and 2,779

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Solution

The fourth proportional to 5,017.69, 6,923.85 and 2,779 is: 3,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.69 : 6,923.85 = 2,779 : x
  2. Step 2: Convert to fraction form
    5,017.69/6,923.85 = 2,779/x
  3. Step 3: Cross multiply
    5,017.69x = 6,923.85 × 2,779
  4. Step 4: Simplify right side
    5,017.69x = 19,241,372.20
  5. Step 5: Solve for x
    x = 19,241,372.20/5,017.69
  6. Step 6: Final answer
    x = 3,834.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.