Home / 5,912.89-8,817.18-5,622.21

Finding the Fourth Proportional to 5,912.89, 8,817.18 and 5,622.21

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Solution

The fourth proportional to 5,912.89, 8,817.18 and 5,622.21 is: 8,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.89 : 8,817.18 = 5,622.21 : x
  2. Step 2: Convert to fraction form
    5,912.89/8,817.18 = 5,622.21/x
  3. Step 3: Cross multiply
    5,912.89x = 8,817.18 × 5,622.21
  4. Step 4: Simplify right side
    5,912.89x = 49,572,037.57
  5. Step 5: Solve for x
    x = 49,572,037.57/5,912.89
  6. Step 6: Final answer
    x = 8,383.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.