Home / 5,671.32-8,505.61-2,161.18

Finding the Fourth Proportional to 5,671.32, 8,505.61 and 2,161.18

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Solution

The fourth proportional to 5,671.32, 8,505.61 and 2,161.18 is: 3,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.32 : 8,505.61 = 2,161.18 : x
  2. Step 2: Convert to fraction form
    5,671.32/8,505.61 = 2,161.18/x
  3. Step 3: Cross multiply
    5,671.32x = 8,505.61 × 2,161.18
  4. Step 4: Simplify right side
    5,671.32x = 18,382,154.22
  5. Step 5: Solve for x
    x = 18,382,154.22/5,671.32
  6. Step 6: Final answer
    x = 3,241.25

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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.