Home / 6,386.33-9,576.59-2,686.55

Finding the Fourth Proportional to 6,386.33, 9,576.59 and 2,686.55

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Solution

The fourth proportional to 6,386.33, 9,576.59 and 2,686.55 is: 4,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.33 : 9,576.59 = 2,686.55 : x
  2. Step 2: Convert to fraction form
    6,386.33/9,576.59 = 2,686.55/x
  3. Step 3: Cross multiply
    6,386.33x = 9,576.59 × 2,686.55
  4. Step 4: Simplify right side
    6,386.33x = 25,727,926.55
  5. Step 5: Solve for x
    x = 25,727,926.55/6,386.33
  6. Step 6: Final answer
    x = 4,028.60

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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.