Home / 7,983.46-10,998.81-6,304.25

Finding the Fourth Proportional to 7,983.46, 10,998.81 and 6,304.25

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Solution

The fourth proportional to 7,983.46, 10,998.81 and 6,304.25 is: 8,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.46 : 10,998.81 = 6,304.25 : x
  2. Step 2: Convert to fraction form
    7,983.46/10,998.81 = 6,304.25/x
  3. Step 3: Cross multiply
    7,983.46x = 10,998.81 × 6,304.25
  4. Step 4: Simplify right side
    7,983.46x = 69,339,192.95
  5. Step 5: Solve for x
    x = 69,339,192.95/7,983.46
  6. Step 6: Final answer
    x = 8,685.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.