Home / 4,213.89-5,815.44-2,535.30

Finding the Fourth Proportional to 4,213.89, 5,815.44 and 2,535.30

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Solution

The fourth proportional to 4,213.89, 5,815.44 and 2,535.30 is: 3,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.89 : 5,815.44 = 2,535.30 : x
  2. Step 2: Convert to fraction form
    4,213.89/5,815.44 = 2,535.30/x
  3. Step 3: Cross multiply
    4,213.89x = 5,815.44 × 2,535.30
  4. Step 4: Simplify right side
    4,213.89x = 14,743,885.03
  5. Step 5: Solve for x
    x = 14,743,885.03/4,213.89
  6. Step 6: Final answer
    x = 3,498.88

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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.