Home / 5,162.32-7,745.44-2,390.32

Finding the Fourth Proportional to 5,162.32, 7,745.44 and 2,390.32

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Solution

The fourth proportional to 5,162.32, 7,745.44 and 2,390.32 is: 3,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.32 : 7,745.44 = 2,390.32 : x
  2. Step 2: Convert to fraction form
    5,162.32/7,745.44 = 2,390.32/x
  3. Step 3: Cross multiply
    5,162.32x = 7,745.44 × 2,390.32
  4. Step 4: Simplify right side
    5,162.32x = 18,514,080.14
  5. Step 5: Solve for x
    x = 18,514,080.14/5,162.32
  6. Step 6: Final answer
    x = 3,586.39

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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.