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Finding the Fourth Proportional to 6,575.70, 9,072.36 and 4,687.62

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Solution

The fourth proportional to 6,575.70, 9,072.36 and 4,687.62 is: 6,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.70 : 9,072.36 = 4,687.62 : x
  2. Step 2: Convert to fraction form
    6,575.70/9,072.36 = 4,687.62/x
  3. Step 3: Cross multiply
    6,575.70x = 9,072.36 × 4,687.62
  4. Step 4: Simplify right side
    6,575.70x = 42,527,776.18
  5. Step 5: Solve for x
    x = 42,527,776.18/6,575.70
  6. Step 6: Final answer
    x = 6,467.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.