Home / 5,540.75-8,312.69-2,256.20

Finding the Fourth Proportional to 5,540.75, 8,312.69 and 2,256.20

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Solution

The fourth proportional to 5,540.75, 8,312.69 and 2,256.20 is: 3,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.75 : 8,312.69 = 2,256.20 : x
  2. Step 2: Convert to fraction form
    5,540.75/8,312.69 = 2,256.20/x
  3. Step 3: Cross multiply
    5,540.75x = 8,312.69 × 2,256.20
  4. Step 4: Simplify right side
    5,540.75x = 18,755,091.18
  5. Step 5: Solve for x
    x = 18,755,091.18/5,540.75
  6. Step 6: Final answer
    x = 3,384.94

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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.