Home / 8,668.49-11,959.54-4,891.19

Finding the Fourth Proportional to 8,668.49, 11,959.54 and 4,891.19

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Solution

The fourth proportional to 8,668.49, 11,959.54 and 4,891.19 is: 6,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.49 : 11,959.54 = 4,891.19 : x
  2. Step 2: Convert to fraction form
    8,668.49/11,959.54 = 4,891.19/x
  3. Step 3: Cross multiply
    8,668.49x = 11,959.54 × 4,891.19
  4. Step 4: Simplify right side
    8,668.49x = 58,496,310.43
  5. Step 5: Solve for x
    x = 58,496,310.43/8,668.49
  6. Step 6: Final answer
    x = 6,748.16

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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.