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Finding the Fourth Proportional to 6,995.76, 10,497.28 and 3,099.25

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Solution

The fourth proportional to 6,995.76, 10,497.28 and 3,099.25 is: 4,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.76 : 10,497.28 = 3,099.25 : x
  2. Step 2: Convert to fraction form
    6,995.76/10,497.28 = 3,099.25/x
  3. Step 3: Cross multiply
    6,995.76x = 10,497.28 × 3,099.25
  4. Step 4: Simplify right side
    6,995.76x = 32,533,695.04
  5. Step 5: Solve for x
    x = 32,533,695.04/6,995.76
  6. Step 6: Final answer
    x = 4,650.49

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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.