Home / 5,789.28-8,683.49-1,840.38

Finding the Fourth Proportional to 5,789.28, 8,683.49 and 1,840.38

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Solution

The fourth proportional to 5,789.28, 8,683.49 and 1,840.38 is: 2,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.28 : 8,683.49 = 1,840.38 : x
  2. Step 2: Convert to fraction form
    5,789.28/8,683.49 = 1,840.38/x
  3. Step 3: Cross multiply
    5,789.28x = 8,683.49 × 1,840.38
  4. Step 4: Simplify right side
    5,789.28x = 15,980,918.74
  5. Step 5: Solve for x
    x = 15,980,918.74/5,789.28
  6. Step 6: Final answer
    x = 2,760.43

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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.