Home / 4,245.98-5,865.05-3,540.13

Finding the Fourth Proportional to 4,245.98, 5,865.05 and 3,540.13

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Solution

The fourth proportional to 4,245.98, 5,865.05 and 3,540.13 is: 4,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.98 : 5,865.05 = 3,540.13 : x
  2. Step 2: Convert to fraction form
    4,245.98/5,865.05 = 3,540.13/x
  3. Step 3: Cross multiply
    4,245.98x = 5,865.05 × 3,540.13
  4. Step 4: Simplify right side
    4,245.98x = 20,763,033.64
  5. Step 5: Solve for x
    x = 20,763,033.64/4,245.98
  6. Step 6: Final answer
    x = 4,890.05

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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.