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Finding the Fourth Proportional to 5,775.41, 8,663.07 and 3,000.65

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Solution

The fourth proportional to 5,775.41, 8,663.07 and 3,000.65 is: 4,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.41 : 8,663.07 = 3,000.65 : x
  2. Step 2: Convert to fraction form
    5,775.41/8,663.07 = 3,000.65/x
  3. Step 3: Cross multiply
    5,775.41x = 8,663.07 × 3,000.65
  4. Step 4: Simplify right side
    5,775.41x = 25,994,841.00
  5. Step 5: Solve for x
    x = 25,994,841.00/5,775.41
  6. Step 6: Final answer
    x = 4,500.95

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Half scale
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Double scale
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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.