Home / 6,989.13-10,473.49-3,242.05

Finding the Fourth Proportional to 6,989.13, 10,473.49 and 3,242.05

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Solution

The fourth proportional to 6,989.13, 10,473.49 and 3,242.05 is: 4,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.13 : 10,473.49 = 3,242.05 : x
  2. Step 2: Convert to fraction form
    6,989.13/10,473.49 = 3,242.05/x
  3. Step 3: Cross multiply
    6,989.13x = 10,473.49 × 3,242.05
  4. Step 4: Simplify right side
    6,989.13x = 33,955,578.25
  5. Step 5: Solve for x
    x = 33,955,578.25/6,989.13
  6. Step 6: Final answer
    x = 4,858.34

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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.