Home / 5,040.85-7,558.32-1,529.80

Finding the Fourth Proportional to 5,040.85, 7,558.32 and 1,529.80

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Solution

The fourth proportional to 5,040.85, 7,558.32 and 1,529.80 is: 2,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.85 : 7,558.32 = 1,529.80 : x
  2. Step 2: Convert to fraction form
    5,040.85/7,558.32 = 1,529.80/x
  3. Step 3: Cross multiply
    5,040.85x = 7,558.32 × 1,529.80
  4. Step 4: Simplify right side
    5,040.85x = 11,562,717.94
  5. Step 5: Solve for x
    x = 11,562,717.94/5,040.85
  6. Step 6: Final answer
    x = 2,293.80

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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.