Home / 5,516.81-7,613.16-2,998.86

Finding the Fourth Proportional to 5,516.81, 7,613.16 and 2,998.86

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Solution

The fourth proportional to 5,516.81, 7,613.16 and 2,998.86 is: 4,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.81 : 7,613.16 = 2,998.86 : x
  2. Step 2: Convert to fraction form
    5,516.81/7,613.16 = 2,998.86/x
  3. Step 3: Cross multiply
    5,516.81x = 7,613.16 × 2,998.86
  4. Step 4: Simplify right side
    5,516.81x = 22,830,801.00
  5. Step 5: Solve for x
    x = 22,830,801.00/5,516.81
  6. Step 6: Final answer
    x = 4,138.41

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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.