Home / 6,665.49-9,991.29-2,715.03

Finding the Fourth Proportional to 6,665.49, 9,991.29 and 2,715.03

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Solution

The fourth proportional to 6,665.49, 9,991.29 and 2,715.03 is: 4,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.49 : 9,991.29 = 2,715.03 : x
  2. Step 2: Convert to fraction form
    6,665.49/9,991.29 = 2,715.03/x
  3. Step 3: Cross multiply
    6,665.49x = 9,991.29 × 2,715.03
  4. Step 4: Simplify right side
    6,665.49x = 27,126,657.23
  5. Step 5: Solve for x
    x = 27,126,657.23/6,665.49
  6. Step 6: Final answer
    x = 4,069.72

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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.