Home / 5,313.79-7,330.26-3,424.87

Finding the Fourth Proportional to 5,313.79, 7,330.26 and 3,424.87

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Solution

The fourth proportional to 5,313.79, 7,330.26 and 3,424.87 is: 4,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.79 : 7,330.26 = 3,424.87 : x
  2. Step 2: Convert to fraction form
    5,313.79/7,330.26 = 3,424.87/x
  3. Step 3: Cross multiply
    5,313.79x = 7,330.26 × 3,424.87
  4. Step 4: Simplify right side
    5,313.79x = 25,105,187.57
  5. Step 5: Solve for x
    x = 25,105,187.57/5,313.79
  6. Step 6: Final answer
    x = 4,724.54

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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.