Home / 5,017.07-6,923.43-2,778.90

Finding the Fourth Proportional to 5,017.07, 6,923.43 and 2,778.90

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Solution

The fourth proportional to 5,017.07, 6,923.43 and 2,778.90 is: 3,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.07 : 6,923.43 = 2,778.90 : x
  2. Step 2: Convert to fraction form
    5,017.07/6,923.43 = 2,778.90/x
  3. Step 3: Cross multiply
    5,017.07x = 6,923.43 × 2,778.90
  4. Step 4: Simplify right side
    5,017.07x = 19,239,519.63
  5. Step 5: Solve for x
    x = 19,239,519.63/5,017.07
  6. Step 6: Final answer
    x = 3,834.82

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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.