Home / 5,641.84-8,464.20-2,179.36

Finding the Fourth Proportional to 5,641.84, 8,464.20 and 2,179.36

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Solution

The fourth proportional to 5,641.84, 8,464.20 and 2,179.36 is: 3,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.84 : 8,464.20 = 2,179.36 : x
  2. Step 2: Convert to fraction form
    5,641.84/8,464.20 = 2,179.36/x
  3. Step 3: Cross multiply
    5,641.84x = 8,464.20 × 2,179.36
  4. Step 4: Simplify right side
    5,641.84x = 18,446,538.91
  5. Step 5: Solve for x
    x = 18,446,538.91/5,641.84
  6. Step 6: Final answer
    x = 3,269.60

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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.