Home / 4,826.85-7,240.20-1,539.92

Finding the Fourth Proportional to 4,826.85, 7,240.20 and 1,539.92

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Solution

The fourth proportional to 4,826.85, 7,240.20 and 1,539.92 is: 2,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.85 : 7,240.20 = 1,539.92 : x
  2. Step 2: Convert to fraction form
    4,826.85/7,240.20 = 1,539.92/x
  3. Step 3: Cross multiply
    4,826.85x = 7,240.20 × 1,539.92
  4. Step 4: Simplify right side
    4,826.85x = 11,149,328.78
  5. Step 5: Solve for x
    x = 11,149,328.78/4,826.85
  6. Step 6: Final answer
    x = 2,309.86

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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.