Home / 4,145.72-6,217.98-1,224.26

Finding the Fourth Proportional to 4,145.72, 6,217.98 and 1,224.26

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Solution

The fourth proportional to 4,145.72, 6,217.98 and 1,224.26 is: 1,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.72 : 6,217.98 = 1,224.26 : x
  2. Step 2: Convert to fraction form
    4,145.72/6,217.98 = 1,224.26/x
  3. Step 3: Cross multiply
    4,145.72x = 6,217.98 × 1,224.26
  4. Step 4: Simplify right side
    4,145.72x = 7,612,424.19
  5. Step 5: Solve for x
    x = 7,612,424.19/4,145.72
  6. Step 6: Final answer
    x = 1,836.21

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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.