Home / 5,017.21-6,923.61-2,892.70

Finding the Fourth Proportional to 5,017.21, 6,923.61 and 2,892.70

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Solution

The fourth proportional to 5,017.21, 6,923.61 and 2,892.70 is: 3,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.21 : 6,923.61 = 2,892.70 : x
  2. Step 2: Convert to fraction form
    5,017.21/6,923.61 = 2,892.70/x
  3. Step 3: Cross multiply
    5,017.21x = 6,923.61 × 2,892.70
  4. Step 4: Simplify right side
    5,017.21x = 20,027,926.65
  5. Step 5: Solve for x
    x = 20,027,926.65/5,017.21
  6. Step 6: Final answer
    x = 3,991.85

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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.