Home / 4,000.57-5,520.63-2,321.89

Finding the Fourth Proportional to 4,000.57, 5,520.63 and 2,321.89

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Solution

The fourth proportional to 4,000.57, 5,520.63 and 2,321.89 is: 3,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.57 : 5,520.63 = 2,321.89 : x
  2. Step 2: Convert to fraction form
    4,000.57/5,520.63 = 2,321.89/x
  3. Step 3: Cross multiply
    4,000.57x = 5,520.63 × 2,321.89
  4. Step 4: Simplify right side
    4,000.57x = 12,818,295.59
  5. Step 5: Solve for x
    x = 12,818,295.59/4,000.57
  6. Step 6: Final answer
    x = 3,204.12

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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.