Home / 5,439.81-7,508.15-3,083.25

Finding the Fourth Proportional to 5,439.81, 7,508.15 and 3,083.25

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Solution

The fourth proportional to 5,439.81, 7,508.15 and 3,083.25 is: 4,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.81 : 7,508.15 = 3,083.25 : x
  2. Step 2: Convert to fraction form
    5,439.81/7,508.15 = 3,083.25/x
  3. Step 3: Cross multiply
    5,439.81x = 7,508.15 × 3,083.25
  4. Step 4: Simplify right side
    5,439.81x = 23,149,488.07
  5. Step 5: Solve for x
    x = 23,149,488.07/5,439.81
  6. Step 6: Final answer
    x = 4,255.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.