Home / 4,223.64-5,829.96-2,899.20

Finding the Fourth Proportional to 4,223.64, 5,829.96 and 2,899.20

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Solution

The fourth proportional to 4,223.64, 5,829.96 and 2,899.20 is: 4,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.64 : 5,829.96 = 2,899.20 : x
  2. Step 2: Convert to fraction form
    4,223.64/5,829.96 = 2,899.20/x
  3. Step 3: Cross multiply
    4,223.64x = 5,829.96 × 2,899.20
  4. Step 4: Simplify right side
    4,223.64x = 16,902,220.03
  5. Step 5: Solve for x
    x = 16,902,220.03/4,223.64
  6. Step 6: Final answer
    x = 4,001.81

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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.