Home / 5,239.49-7,856.70-2,463.81

Finding the Fourth Proportional to 5,239.49, 7,856.70 and 2,463.81

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Solution

The fourth proportional to 5,239.49, 7,856.70 and 2,463.81 is: 3,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.49 : 7,856.70 = 2,463.81 : x
  2. Step 2: Convert to fraction form
    5,239.49/7,856.70 = 2,463.81/x
  3. Step 3: Cross multiply
    5,239.49x = 7,856.70 × 2,463.81
  4. Step 4: Simplify right side
    5,239.49x = 19,357,416.03
  5. Step 5: Solve for x
    x = 19,357,416.03/5,239.49
  6. Step 6: Final answer
    x = 3,694.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.