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Finding the Fourth Proportional to 4,809.88, 7,201.50 and 2,613.64

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Solution

The fourth proportional to 4,809.88, 7,201.50 and 2,613.64 is: 3,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.88 : 7,201.50 = 2,613.64 : x
  2. Step 2: Convert to fraction form
    4,809.88/7,201.50 = 2,613.64/x
  3. Step 3: Cross multiply
    4,809.88x = 7,201.50 × 2,613.64
  4. Step 4: Simplify right side
    4,809.88x = 18,822,128.46
  5. Step 5: Solve for x
    x = 18,822,128.46/4,809.88
  6. Step 6: Final answer
    x = 3,913.22

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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.