Home / 4,000.70-5,520.08-2,321.13

Finding the Fourth Proportional to 4,000.70, 5,520.08 and 2,321.13

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Solution

The fourth proportional to 4,000.70, 5,520.08 and 2,321.13 is: 3,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.70 : 5,520.08 = 2,321.13 : x
  2. Step 2: Convert to fraction form
    4,000.70/5,520.08 = 2,321.13/x
  3. Step 3: Cross multiply
    4,000.70x = 5,520.08 × 2,321.13
  4. Step 4: Simplify right side
    4,000.70x = 12,812,805.69
  5. Step 5: Solve for x
    x = 12,812,805.69/4,000.70
  6. Step 6: Final answer
    x = 3,202.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.