Home / 6,989.04-10,474.02-3,864.42

Finding the Fourth Proportional to 6,989.04, 10,474.02 and 3,864.42

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Solution

The fourth proportional to 6,989.04, 10,474.02 and 3,864.42 is: 5,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.04 : 10,474.02 = 3,864.42 : x
  2. Step 2: Convert to fraction form
    6,989.04/10,474.02 = 3,864.42/x
  3. Step 3: Cross multiply
    6,989.04x = 10,474.02 × 3,864.42
  4. Step 4: Simplify right side
    6,989.04x = 40,476,012.37
  5. Step 5: Solve for x
    x = 40,476,012.37/6,989.04
  6. Step 6: Final answer
    x = 5,791.36

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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.