Home / 5,719.36-7,892.76-3,235.36

Finding the Fourth Proportional to 5,719.36, 7,892.76 and 3,235.36

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Solution

The fourth proportional to 5,719.36, 7,892.76 and 3,235.36 is: 4,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.36 : 7,892.76 = 3,235.36 : x
  2. Step 2: Convert to fraction form
    5,719.36/7,892.76 = 3,235.36/x
  3. Step 3: Cross multiply
    5,719.36x = 7,892.76 × 3,235.36
  4. Step 4: Simplify right side
    5,719.36x = 25,535,919.99
  5. Step 5: Solve for x
    x = 25,535,919.99/5,719.36
  6. Step 6: Final answer
    x = 4,464.82

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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.