Home / 7,539.92-10,405.68-4,183.76

Finding the Fourth Proportional to 7,539.92, 10,405.68 and 4,183.76

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Solution

The fourth proportional to 7,539.92, 10,405.68 and 4,183.76 is: 5,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.92 : 10,405.68 = 4,183.76 : x
  2. Step 2: Convert to fraction form
    7,539.92/10,405.68 = 4,183.76/x
  3. Step 3: Cross multiply
    7,539.92x = 10,405.68 × 4,183.76
  4. Step 4: Simplify right side
    7,539.92x = 43,534,867.76
  5. Step 5: Solve for x
    x = 43,534,867.76/7,539.92
  6. Step 6: Final answer
    x = 5,773.92

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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.