Home / 4,505.78-6,217.80-2,516.30

Finding the Fourth Proportional to 4,505.78, 6,217.80 and 2,516.30

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Solution

The fourth proportional to 4,505.78, 6,217.80 and 2,516.30 is: 3,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.78 : 6,217.80 = 2,516.30 : x
  2. Step 2: Convert to fraction form
    4,505.78/6,217.80 = 2,516.30/x
  3. Step 3: Cross multiply
    4,505.78x = 6,217.80 × 2,516.30
  4. Step 4: Simplify right side
    4,505.78x = 15,645,850.14
  5. Step 5: Solve for x
    x = 15,645,850.14/4,505.78
  6. Step 6: Final answer
    x = 3,472.40

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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.