Home / 6,982.18-10,476.80-4,643.80

Finding the Fourth Proportional to 6,982.18, 10,476.80 and 4,643.80

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Solution

The fourth proportional to 6,982.18, 10,476.80 and 4,643.80 is: 6,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.18 : 10,476.80 = 4,643.80 : x
  2. Step 2: Convert to fraction form
    6,982.18/10,476.80 = 4,643.80/x
  3. Step 3: Cross multiply
    6,982.18x = 10,476.80 × 4,643.80
  4. Step 4: Simplify right side
    6,982.18x = 48,652,163.84
  5. Step 5: Solve for x
    x = 48,652,163.84/6,982.18
  6. Step 6: Final answer
    x = 6,968.05

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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.