Home / 5,845.40-8,768.16-1,949.80

Finding the Fourth Proportional to 5,845.40, 8,768.16 and 1,949.80

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Solution

The fourth proportional to 5,845.40, 8,768.16 and 1,949.80 is: 2,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.40 : 8,768.16 = 1,949.80 : x
  2. Step 2: Convert to fraction form
    5,845.40/8,768.16 = 1,949.80/x
  3. Step 3: Cross multiply
    5,845.40x = 8,768.16 × 1,949.80
  4. Step 4: Simplify right side
    5,845.40x = 17,096,158.37
  5. Step 5: Solve for x
    x = 17,096,158.37/5,845.40
  6. Step 6: Final answer
    x = 2,924.72

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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.