Home / 8,085.34-11,157.86-4,451.79

Finding the Fourth Proportional to 8,085.34, 11,157.86 and 4,451.79

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Solution

The fourth proportional to 8,085.34, 11,157.86 and 4,451.79 is: 6,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.34 : 11,157.86 = 4,451.79 : x
  2. Step 2: Convert to fraction form
    8,085.34/11,157.86 = 4,451.79/x
  3. Step 3: Cross multiply
    8,085.34x = 11,157.86 × 4,451.79
  4. Step 4: Simplify right side
    8,085.34x = 49,672,457.09
  5. Step 5: Solve for x
    x = 49,672,457.09/8,085.34
  6. Step 6: Final answer
    x = 6,143.52

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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.