Home / 5,840.47-8,761.85-2,142.73

Finding the Fourth Proportional to 5,840.47, 8,761.85 and 2,142.73

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Solution

The fourth proportional to 5,840.47, 8,761.85 and 2,142.73 is: 3,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.47 : 8,761.85 = 2,142.73 : x
  2. Step 2: Convert to fraction form
    5,840.47/8,761.85 = 2,142.73/x
  3. Step 3: Cross multiply
    5,840.47x = 8,761.85 × 2,142.73
  4. Step 4: Simplify right side
    5,840.47x = 18,774,278.85
  5. Step 5: Solve for x
    x = 18,774,278.85/5,840.47
  6. Step 6: Final answer
    x = 3,214.52

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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.