Home / 5,516.61-7,612.69-2,998.66

Finding the Fourth Proportional to 5,516.61, 7,612.69 and 2,998.66

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Solution

The fourth proportional to 5,516.61, 7,612.69 and 2,998.66 is: 4,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.61 : 7,612.69 = 2,998.66 : x
  2. Step 2: Convert to fraction form
    5,516.61/7,612.69 = 2,998.66/x
  3. Step 3: Cross multiply
    5,516.61x = 7,612.69 × 2,998.66
  4. Step 4: Simplify right side
    5,516.61x = 22,827,830.93
  5. Step 5: Solve for x
    x = 22,827,830.93/5,516.61
  6. Step 6: Final answer
    x = 4,138.02

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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.