Home / 4,972.75-6,860.41-2,847.13

Finding the Fourth Proportional to 4,972.75, 6,860.41 and 2,847.13

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Solution

The fourth proportional to 4,972.75, 6,860.41 and 2,847.13 is: 3,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.75 : 6,860.41 = 2,847.13 : x
  2. Step 2: Convert to fraction form
    4,972.75/6,860.41 = 2,847.13/x
  3. Step 3: Cross multiply
    4,972.75x = 6,860.41 × 2,847.13
  4. Step 4: Simplify right side
    4,972.75x = 19,532,454.85
  5. Step 5: Solve for x
    x = 19,532,454.85/4,972.75
  6. Step 6: Final answer
    x = 3,927.90

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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.