Home / 7,181.18-9,909.92-4,037.34

Finding the Fourth Proportional to 7,181.18, 9,909.92 and 4,037.34

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Solution

The fourth proportional to 7,181.18, 9,909.92 and 4,037.34 is: 5,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.18 : 9,909.92 = 4,037.34 : x
  2. Step 2: Convert to fraction form
    7,181.18/9,909.92 = 4,037.34/x
  3. Step 3: Cross multiply
    7,181.18x = 9,909.92 × 4,037.34
  4. Step 4: Simplify right side
    7,181.18x = 40,009,716.41
  5. Step 5: Solve for x
    x = 40,009,716.41/7,181.18
  6. Step 6: Final answer
    x = 5,571.47

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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.