Home / 4,218.09-5,820.71-2,540.04

Finding the Fourth Proportional to 4,218.09, 5,820.71 and 2,540.04

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Solution

The fourth proportional to 4,218.09, 5,820.71 and 2,540.04 is: 3,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.09 : 5,820.71 = 2,540.04 : x
  2. Step 2: Convert to fraction form
    4,218.09/5,820.71 = 2,540.04/x
  3. Step 3: Cross multiply
    4,218.09x = 5,820.71 × 2,540.04
  4. Step 4: Simplify right side
    4,218.09x = 14,784,857.13
  5. Step 5: Solve for x
    x = 14,784,857.13/4,218.09
  6. Step 6: Final answer
    x = 3,505.11

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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.