Home / 5,641.28-8,462.82-1,942.60

Finding the Fourth Proportional to 5,641.28, 8,462.82 and 1,942.60

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Solution

The fourth proportional to 5,641.28, 8,462.82 and 1,942.60 is: 2,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.28 : 8,462.82 = 1,942.60 : x
  2. Step 2: Convert to fraction form
    5,641.28/8,462.82 = 1,942.60/x
  3. Step 3: Cross multiply
    5,641.28x = 8,462.82 × 1,942.60
  4. Step 4: Simplify right side
    5,641.28x = 16,439,874.13
  5. Step 5: Solve for x
    x = 16,439,874.13/5,641.28
  6. Step 6: Final answer
    x = 2,914.21

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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.