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Finding the Fourth Proportional to 7,016.70, 10,528.14 and 3,729

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Solution

The fourth proportional to 7,016.70, 10,528.14 and 3,729 is: 5,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.70 : 10,528.14 = 3,729 : x
  2. Step 2: Convert to fraction form
    7,016.70/10,528.14 = 3,729/x
  3. Step 3: Cross multiply
    7,016.70x = 10,528.14 × 3,729
  4. Step 4: Simplify right side
    7,016.70x = 39,259,434.06
  5. Step 5: Solve for x
    x = 39,259,434.06/7,016.70
  6. Step 6: Final answer
    x = 5,595.14

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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.