Home / 5,743.38-8,615.28-1,583.72

Finding the Fourth Proportional to 5,743.38, 8,615.28 and 1,583.72

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Solution

The fourth proportional to 5,743.38, 8,615.28 and 1,583.72 is: 2,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.38 : 8,615.28 = 1,583.72 : x
  2. Step 2: Convert to fraction form
    5,743.38/8,615.28 = 1,583.72/x
  3. Step 3: Cross multiply
    5,743.38x = 8,615.28 × 1,583.72
  4. Step 4: Simplify right side
    5,743.38x = 13,644,191.24
  5. Step 5: Solve for x
    x = 13,644,191.24/5,743.38
  6. Step 6: Final answer
    x = 2,375.64

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1.5x scale

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.