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Finding the Fourth Proportional to 4,617.99, 6,926.99 and 1,155.24

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Solution

The fourth proportional to 4,617.99, 6,926.99 and 1,155.24 is: 1,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.99 : 6,926.99 = 1,155.24 : x
  2. Step 2: Convert to fraction form
    4,617.99/6,926.99 = 1,155.24/x
  3. Step 3: Cross multiply
    4,617.99x = 6,926.99 × 1,155.24
  4. Step 4: Simplify right side
    4,617.99x = 8,002,330.15
  5. Step 5: Solve for x
    x = 8,002,330.15/4,617.99
  6. Step 6: Final answer
    x = 1,732.86

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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.