Home / 5,840.49-8,764.57-2,142.75

Finding the Fourth Proportional to 5,840.49, 8,764.57 and 2,142.75

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Solution

The fourth proportional to 5,840.49, 8,764.57 and 2,142.75 is: 3,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.49 : 8,764.57 = 2,142.75 : x
  2. Step 2: Convert to fraction form
    5,840.49/8,764.57 = 2,142.75/x
  3. Step 3: Cross multiply
    5,840.49x = 8,764.57 × 2,142.75
  4. Step 4: Simplify right side
    5,840.49x = 18,780,266.97
  5. Step 5: Solve for x
    x = 18,780,266.97/5,840.49
  6. Step 6: Final answer
    x = 3,215.53

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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.