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Finding the Fourth Proportional to 7,179.66, 10,699.02 and 6,944.76

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Solution

The fourth proportional to 7,179.66, 10,699.02 and 6,944.76 is: 10,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.66 : 10,699.02 = 6,944.76 : x
  2. Step 2: Convert to fraction form
    7,179.66/10,699.02 = 6,944.76/x
  3. Step 3: Cross multiply
    7,179.66x = 10,699.02 × 6,944.76
  4. Step 4: Simplify right side
    7,179.66x = 74,302,126.14
  5. Step 5: Solve for x
    x = 74,302,126.14/7,179.66
  6. Step 6: Final answer
    x = 10,348.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.