Home / 4,989.84-7,471.37-2,792.31

Finding the Fourth Proportional to 4,989.84, 7,471.37 and 2,792.31

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Solution

The fourth proportional to 4,989.84, 7,471.37 and 2,792.31 is: 4,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.84 : 7,471.37 = 2,792.31 : x
  2. Step 2: Convert to fraction form
    4,989.84/7,471.37 = 2,792.31/x
  3. Step 3: Cross multiply
    4,989.84x = 7,471.37 × 2,792.31
  4. Step 4: Simplify right side
    4,989.84x = 20,862,367.20
  5. Step 5: Solve for x
    x = 20,862,367.20/4,989.84
  6. Step 6: Final answer
    x = 4,180.97

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1.5x scale

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.