Home / 8,131.86-11,221.67-4,594.99

Finding the Fourth Proportional to 8,131.86, 11,221.67 and 4,594.99

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Solution

The fourth proportional to 8,131.86, 11,221.67 and 4,594.99 is: 6,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.86 : 11,221.67 = 4,594.99 : x
  2. Step 2: Convert to fraction form
    8,131.86/11,221.67 = 4,594.99/x
  3. Step 3: Cross multiply
    8,131.86x = 11,221.67 × 4,594.99
  4. Step 4: Simplify right side
    8,131.86x = 51,563,461.43
  5. Step 5: Solve for x
    x = 51,563,461.43/8,131.86
  6. Step 6: Final answer
    x = 6,340.92

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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.