Home / 5,512.50-8,260.52-2,223.80

Finding the Fourth Proportional to 5,512.50, 8,260.52 and 2,223.80

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Solution

The fourth proportional to 5,512.50, 8,260.52 and 2,223.80 is: 3,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.50 : 8,260.52 = 2,223.80 : x
  2. Step 2: Convert to fraction form
    5,512.50/8,260.52 = 2,223.80/x
  3. Step 3: Cross multiply
    5,512.50x = 8,260.52 × 2,223.80
  4. Step 4: Simplify right side
    5,512.50x = 18,369,744.38
  5. Step 5: Solve for x
    x = 18,369,744.38/5,512.50
  6. Step 6: Final answer
    x = 3,332.38

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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.