Home / 4,515.28-6,772.14-1,228.64

Finding the Fourth Proportional to 4,515.28, 6,772.14 and 1,228.64

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Solution

The fourth proportional to 4,515.28, 6,772.14 and 1,228.64 is: 1,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.28 : 6,772.14 = 1,228.64 : x
  2. Step 2: Convert to fraction form
    4,515.28/6,772.14 = 1,228.64/x
  3. Step 3: Cross multiply
    4,515.28x = 6,772.14 × 1,228.64
  4. Step 4: Simplify right side
    4,515.28x = 8,320,488.23
  5. Step 5: Solve for x
    x = 8,320,488.23/4,515.28
  6. Step 6: Final answer
    x = 1,842.74

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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.