Home / 5,341.28-8,012.84-2,380.80

Finding the Fourth Proportional to 5,341.28, 8,012.84 and 2,380.80

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Solution

The fourth proportional to 5,341.28, 8,012.84 and 2,380.80 is: 3,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.28 : 8,012.84 = 2,380.80 : x
  2. Step 2: Convert to fraction form
    5,341.28/8,012.84 = 2,380.80/x
  3. Step 3: Cross multiply
    5,341.28x = 8,012.84 × 2,380.80
  4. Step 4: Simplify right side
    5,341.28x = 19,076,957.57
  5. Step 5: Solve for x
    x = 19,076,957.57/5,341.28
  6. Step 6: Final answer
    x = 3,571.61

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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.