Home / 7,731.09-10,668.92-4,194.32

Finding the Fourth Proportional to 7,731.09, 10,668.92 and 4,194.32

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Solution

The fourth proportional to 7,731.09, 10,668.92 and 4,194.32 is: 5,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.09 : 10,668.92 = 4,194.32 : x
  2. Step 2: Convert to fraction form
    7,731.09/10,668.92 = 4,194.32/x
  3. Step 3: Cross multiply
    7,731.09x = 10,668.92 × 4,194.32
  4. Step 4: Simplify right side
    7,731.09x = 44,748,790.22
  5. Step 5: Solve for x
    x = 44,748,790.22/7,731.09
  6. Step 6: Final answer
    x = 5,788.16

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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.