Home / 4,421.92-6,096.72-3,719.20

Finding the Fourth Proportional to 4,421.92, 6,096.72 and 3,719.20

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Solution

The fourth proportional to 4,421.92, 6,096.72 and 3,719.20 is: 5,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.92 : 6,096.72 = 3,719.20 : x
  2. Step 2: Convert to fraction form
    4,421.92/6,096.72 = 3,719.20/x
  3. Step 3: Cross multiply
    4,421.92x = 6,096.72 × 3,719.20
  4. Step 4: Simplify right side
    4,421.92x = 22,674,921.02
  5. Step 5: Solve for x
    x = 22,674,921.02/4,421.92
  6. Step 6: Final answer
    x = 5,127.85

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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.