Home / 5,512.86-7,604.55-3,624.78

Finding the Fourth Proportional to 5,512.86, 7,604.55 and 3,624.78

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Solution

The fourth proportional to 5,512.86, 7,604.55 and 3,624.78 is: 5,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.86 : 7,604.55 = 3,624.78 : x
  2. Step 2: Convert to fraction form
    5,512.86/7,604.55 = 3,624.78/x
  3. Step 3: Cross multiply
    5,512.86x = 7,604.55 × 3,624.78
  4. Step 4: Simplify right side
    5,512.86x = 27,564,820.75
  5. Step 5: Solve for x
    x = 27,564,820.75/5,512.86
  6. Step 6: Final answer
    x = 5,000.09

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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.