Home / 6,986.47-10,476.36-3,285.58

Finding the Fourth Proportional to 6,986.47, 10,476.36 and 3,285.58

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Solution

The fourth proportional to 6,986.47, 10,476.36 and 3,285.58 is: 4,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.47 : 10,476.36 = 3,285.58 : x
  2. Step 2: Convert to fraction form
    6,986.47/10,476.36 = 3,285.58/x
  3. Step 3: Cross multiply
    6,986.47x = 10,476.36 × 3,285.58
  4. Step 4: Simplify right side
    6,986.47x = 34,420,918.89
  5. Step 5: Solve for x
    x = 34,420,918.89/6,986.47
  6. Step 6: Final answer
    x = 4,926.80

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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.