Home / 4,515.72-6,231.51-2,748.38

Finding the Fourth Proportional to 4,515.72, 6,231.51 and 2,748.38

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Solution

The fourth proportional to 4,515.72, 6,231.51 and 2,748.38 is: 3,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.72 : 6,231.51 = 2,748.38 : x
  2. Step 2: Convert to fraction form
    4,515.72/6,231.51 = 2,748.38/x
  3. Step 3: Cross multiply
    4,515.72x = 6,231.51 × 2,748.38
  4. Step 4: Simplify right side
    4,515.72x = 17,126,526.30
  5. Step 5: Solve for x
    x = 17,126,526.30/4,515.72
  6. Step 6: Final answer
    x = 3,792.65

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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.