Home / 5,516.53-7,612.79-2,998.63

Finding the Fourth Proportional to 5,516.53, 7,612.79 and 2,998.63

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Solution

The fourth proportional to 5,516.53, 7,612.79 and 2,998.63 is: 4,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.53 : 7,612.79 = 2,998.63 : x
  2. Step 2: Convert to fraction form
    5,516.53/7,612.79 = 2,998.63/x
  3. Step 3: Cross multiply
    5,516.53x = 7,612.79 × 2,998.63
  4. Step 4: Simplify right side
    5,516.53x = 22,827,928.94
  5. Step 5: Solve for x
    x = 22,827,928.94/5,516.53
  6. Step 6: Final answer
    x = 4,138.10

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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.