Home / 5,840.19-8,761.44-2,142.45

Finding the Fourth Proportional to 5,840.19, 8,761.44 and 2,142.45

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Solution

The fourth proportional to 5,840.19, 8,761.44 and 2,142.45 is: 3,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.19 : 8,761.44 = 2,142.45 : x
  2. Step 2: Convert to fraction form
    5,840.19/8,761.44 = 2,142.45/x
  3. Step 3: Cross multiply
    5,840.19x = 8,761.44 × 2,142.45
  4. Step 4: Simplify right side
    5,840.19x = 18,770,941.77
  5. Step 5: Solve for x
    x = 18,770,941.77/5,840.19
  6. Step 6: Final answer
    x = 3,214.10

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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.