Home / 6,745.40-10,114.30-5,181.52

Finding the Fourth Proportional to 6,745.40, 10,114.30 and 5,181.52

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Solution

The fourth proportional to 6,745.40, 10,114.30 and 5,181.52 is: 7,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.40 : 10,114.30 = 5,181.52 : x
  2. Step 2: Convert to fraction form
    6,745.40/10,114.30 = 5,181.52/x
  3. Step 3: Cross multiply
    6,745.40x = 10,114.30 × 5,181.52
  4. Step 4: Simplify right side
    6,745.40x = 52,407,447.74
  5. Step 5: Solve for x
    x = 52,407,447.74/6,745.40
  6. Step 6: Final answer
    x = 7,769.36

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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.