Home / 4,505.69-6,758.55-4,499.21

Finding the Fourth Proportional to 4,505.69, 6,758.55 and 4,499.21

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Solution

The fourth proportional to 4,505.69, 6,758.55 and 4,499.21 is: 6,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.69 : 6,758.55 = 4,499.21 : x
  2. Step 2: Convert to fraction form
    4,505.69/6,758.55 = 4,499.21/x
  3. Step 3: Cross multiply
    4,505.69x = 6,758.55 × 4,499.21
  4. Step 4: Simplify right side
    4,505.69x = 30,408,101.95
  5. Step 5: Solve for x
    x = 30,408,101.95/4,505.69
  6. Step 6: Final answer
    x = 6,748.83

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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.