Home / 5,260.79-7,890.42-1,562.33

Finding the Fourth Proportional to 5,260.79, 7,890.42 and 1,562.33

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Solution

The fourth proportional to 5,260.79, 7,890.42 and 1,562.33 is: 2,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.79 : 7,890.42 = 1,562.33 : x
  2. Step 2: Convert to fraction form
    5,260.79/7,890.42 = 1,562.33/x
  3. Step 3: Cross multiply
    5,260.79x = 7,890.42 × 1,562.33
  4. Step 4: Simplify right side
    5,260.79x = 12,327,439.88
  5. Step 5: Solve for x
    x = 12,327,439.88/5,260.79
  6. Step 6: Final answer
    x = 2,343.27

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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.