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Finding the Fourth Proportional to 5,776.57, 8,664.65 and 1,880.88

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Solution

The fourth proportional to 5,776.57, 8,664.65 and 1,880.88 is: 2,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.57 : 8,664.65 = 1,880.88 : x
  2. Step 2: Convert to fraction form
    5,776.57/8,664.65 = 1,880.88/x
  3. Step 3: Cross multiply
    5,776.57x = 8,664.65 × 1,880.88
  4. Step 4: Simplify right side
    5,776.57x = 16,297,166.89
  5. Step 5: Solve for x
    x = 16,297,166.89/5,776.57
  6. Step 6: Final answer
    x = 2,821.25

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Similar ratio
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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.