Home / 7,181.36-9,910.32-4,037.68

Finding the Fourth Proportional to 7,181.36, 9,910.32 and 4,037.68

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Solution

The fourth proportional to 7,181.36, 9,910.32 and 4,037.68 is: 5,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.36 : 9,910.32 = 4,037.68 : x
  2. Step 2: Convert to fraction form
    7,181.36/9,910.32 = 4,037.68/x
  3. Step 3: Cross multiply
    7,181.36x = 9,910.32 × 4,037.68
  4. Step 4: Simplify right side
    7,181.36x = 40,014,700.86
  5. Step 5: Solve for x
    x = 40,014,700.86/7,181.36
  6. Step 6: Final answer
    x = 5,572.02

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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.