Home / 8,550.10-12,826.50-3,619.77

Finding the Fourth Proportional to 8,550.10, 12,826.50 and 3,619.77

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Solution

The fourth proportional to 8,550.10, 12,826.50 and 3,619.77 is: 5,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.10 : 12,826.50 = 3,619.77 : x
  2. Step 2: Convert to fraction form
    8,550.10/12,826.50 = 3,619.77/x
  3. Step 3: Cross multiply
    8,550.10x = 12,826.50 × 3,619.77
  4. Step 4: Simplify right side
    8,550.10x = 46,428,979.91
  5. Step 5: Solve for x
    x = 46,428,979.91/8,550.10
  6. Step 6: Final answer
    x = 5,430.23

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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.