Home / 8,668.36-11,962.49-5,085.89

Finding the Fourth Proportional to 8,668.36, 11,962.49 and 5,085.89

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Solution

The fourth proportional to 8,668.36, 11,962.49 and 5,085.89 is: 7,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.36 : 11,962.49 = 5,085.89 : x
  2. Step 2: Convert to fraction form
    8,668.36/11,962.49 = 5,085.89/x
  3. Step 3: Cross multiply
    8,668.36x = 11,962.49 × 5,085.89
  4. Step 4: Simplify right side
    8,668.36x = 60,839,908.27
  5. Step 5: Solve for x
    x = 60,839,908.27/8,668.36
  6. Step 6: Final answer
    x = 7,018.62

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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.