Home / 4,000.57-5,520.76-2,208.08

Finding the Fourth Proportional to 4,000.57, 5,520.76 and 2,208.08

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Solution

The fourth proportional to 4,000.57, 5,520.76 and 2,208.08 is: 3,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.57 : 5,520.76 = 2,208.08 : x
  2. Step 2: Convert to fraction form
    4,000.57/5,520.76 = 2,208.08/x
  3. Step 3: Cross multiply
    4,000.57x = 5,520.76 × 2,208.08
  4. Step 4: Simplify right side
    4,000.57x = 12,190,256.97
  5. Step 5: Solve for x
    x = 12,190,256.97/4,000.57
  6. Step 6: Final answer
    x = 3,047.13

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Half scale
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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.