Home / 4,983.19-7,474.78-1,520.44

Finding the Fourth Proportional to 4,983.19, 7,474.78 and 1,520.44

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Solution

The fourth proportional to 4,983.19, 7,474.78 and 1,520.44 is: 2,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.19 : 7,474.78 = 1,520.44 : x
  2. Step 2: Convert to fraction form
    4,983.19/7,474.78 = 1,520.44/x
  3. Step 3: Cross multiply
    4,983.19x = 7,474.78 × 1,520.44
  4. Step 4: Simplify right side
    4,983.19x = 11,364,937.72
  5. Step 5: Solve for x
    x = 11,364,937.72/4,983.19
  6. Step 6: Final answer
    x = 2,280.66

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Similar ratio
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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.