Home / 7,651.24-11,476.91-2,105.17

Finding the Fourth Proportional to 7,651.24, 11,476.91 and 2,105.17

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Solution

The fourth proportional to 7,651.24, 11,476.91 and 2,105.17 is: 3,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.24 : 11,476.91 = 2,105.17 : x
  2. Step 2: Convert to fraction form
    7,651.24/11,476.91 = 2,105.17/x
  3. Step 3: Cross multiply
    7,651.24x = 11,476.91 × 2,105.17
  4. Step 4: Simplify right side
    7,651.24x = 24,160,807.41
  5. Step 5: Solve for x
    x = 24,160,807.41/7,651.24
  6. Step 6: Final answer
    x = 3,157.76

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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.