Home / 5,239.44-7,858.08-1,540.98

Finding the Fourth Proportional to 5,239.44, 7,858.08 and 1,540.98

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Solution

The fourth proportional to 5,239.44, 7,858.08 and 1,540.98 is: 2,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.44 : 7,858.08 = 1,540.98 : x
  2. Step 2: Convert to fraction form
    5,239.44/7,858.08 = 1,540.98/x
  3. Step 3: Cross multiply
    5,239.44x = 7,858.08 × 1,540.98
  4. Step 4: Simplify right side
    5,239.44x = 12,109,144.12
  5. Step 5: Solve for x
    x = 12,109,144.12/5,239.44
  6. Step 6: Final answer
    x = 2,311.15

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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.