Home / 5,490.45-7,576.83-2,972.59

Finding the Fourth Proportional to 5,490.45, 7,576.83 and 2,972.59

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Solution

The fourth proportional to 5,490.45, 7,576.83 and 2,972.59 is: 4,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.45 : 7,576.83 = 2,972.59 : x
  2. Step 2: Convert to fraction form
    5,490.45/7,576.83 = 2,972.59/x
  3. Step 3: Cross multiply
    5,490.45x = 7,576.83 × 2,972.59
  4. Step 4: Simplify right side
    5,490.45x = 22,522,771.21
  5. Step 5: Solve for x
    x = 22,522,771.21/5,490.45
  6. Step 6: Final answer
    x = 4,102.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.