Home / 4,515.10-6,772.62-1,228.15

Finding the Fourth Proportional to 4,515.10, 6,772.62 and 1,228.15

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Solution

The fourth proportional to 4,515.10, 6,772.62 and 1,228.15 is: 1,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.10 : 6,772.62 = 1,228.15 : x
  2. Step 2: Convert to fraction form
    4,515.10/6,772.62 = 1,228.15/x
  3. Step 3: Cross multiply
    4,515.10x = 6,772.62 × 1,228.15
  4. Step 4: Simplify right side
    4,515.10x = 8,317,793.25
  5. Step 5: Solve for x
    x = 8,317,793.25/4,515.10
  6. Step 6: Final answer
    x = 1,842.22

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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.