Home / 5,840.36-8,760.81-2,140.82

Finding the Fourth Proportional to 5,840.36, 8,760.81 and 2,140.82

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Solution

The fourth proportional to 5,840.36, 8,760.81 and 2,140.82 is: 3,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.36 : 8,760.81 = 2,140.82 : x
  2. Step 2: Convert to fraction form
    5,840.36/8,760.81 = 2,140.82/x
  3. Step 3: Cross multiply
    5,840.36x = 8,760.81 × 2,140.82
  4. Step 4: Simplify right side
    5,840.36x = 18,755,317.26
  5. Step 5: Solve for x
    x = 18,755,317.26/5,840.36
  6. Step 6: Final answer
    x = 3,211.33

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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.