Home / 4,515.32-6,772.98-1,228.43

Finding the Fourth Proportional to 4,515.32, 6,772.98 and 1,228.43

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Solution

The fourth proportional to 4,515.32, 6,772.98 and 1,228.43 is: 1,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.32 : 6,772.98 = 1,228.43 : x
  2. Step 2: Convert to fraction form
    4,515.32/6,772.98 = 1,228.43/x
  3. Step 3: Cross multiply
    4,515.32x = 6,772.98 × 1,228.43
  4. Step 4: Simplify right side
    4,515.32x = 8,320,131.82
  5. Step 5: Solve for x
    x = 8,320,131.82/4,515.32
  6. Step 6: Final answer
    x = 1,842.65

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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.