Home / 7,160.53-10,739.94-1,966.81

Finding the Fourth Proportional to 7,160.53, 10,739.94 and 1,966.81

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Solution

The fourth proportional to 7,160.53, 10,739.94 and 1,966.81 is: 2,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.53 : 10,739.94 = 1,966.81 : x
  2. Step 2: Convert to fraction form
    7,160.53/10,739.94 = 1,966.81/x
  3. Step 3: Cross multiply
    7,160.53x = 10,739.94 × 1,966.81
  4. Step 4: Simplify right side
    7,160.53x = 21,123,421.39
  5. Step 5: Solve for x
    x = 21,123,421.39/7,160.53
  6. Step 6: Final answer
    x = 2,949.98

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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.