Home / 4,389.38-6,583.15-1,615.33

Finding the Fourth Proportional to 4,389.38, 6,583.15 and 1,615.33

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Solution

The fourth proportional to 4,389.38, 6,583.15 and 1,615.33 is: 2,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.38 : 6,583.15 = 1,615.33 : x
  2. Step 2: Convert to fraction form
    4,389.38/6,583.15 = 1,615.33/x
  3. Step 3: Cross multiply
    4,389.38x = 6,583.15 × 1,615.33
  4. Step 4: Simplify right side
    4,389.38x = 10,633,959.69
  5. Step 5: Solve for x
    x = 10,633,959.69/4,389.38
  6. Step 6: Final answer
    x = 2,422.66

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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.