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Finding the Fourth Proportional to 5,767.34, 8,651.34 and 1,872.08

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Solution

The fourth proportional to 5,767.34, 8,651.34 and 1,872.08 is: 2,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.34 : 8,651.34 = 1,872.08 : x
  2. Step 2: Convert to fraction form
    5,767.34/8,651.34 = 1,872.08/x
  3. Step 3: Cross multiply
    5,767.34x = 8,651.34 × 1,872.08
  4. Step 4: Simplify right side
    5,767.34x = 16,196,000.59
  5. Step 5: Solve for x
    x = 16,196,000.59/5,767.34
  6. Step 6: Final answer
    x = 2,808.23

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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.