Home / 8,131.23-11,221.29-4,594.77

Finding the Fourth Proportional to 8,131.23, 11,221.29 and 4,594.77

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Solution

The fourth proportional to 8,131.23, 11,221.29 and 4,594.77 is: 6,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.23 : 11,221.29 = 4,594.77 : x
  2. Step 2: Convert to fraction form
    8,131.23/11,221.29 = 4,594.77/x
  3. Step 3: Cross multiply
    8,131.23x = 11,221.29 × 4,594.77
  4. Step 4: Simplify right side
    8,131.23x = 51,559,246.65
  5. Step 5: Solve for x
    x = 51,559,246.65/8,131.23
  6. Step 6: Final answer
    x = 6,340.89

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.