Home / 8,668.36-11,967.78-5,688.52

Finding the Fourth Proportional to 8,668.36, 11,967.78 and 5,688.52

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Solution

The fourth proportional to 8,668.36, 11,967.78 and 5,688.52 is: 7,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.36 : 11,967.78 = 5,688.52 : x
  2. Step 2: Convert to fraction form
    8,668.36/11,967.78 = 5,688.52/x
  3. Step 3: Cross multiply
    8,668.36x = 11,967.78 × 5,688.52
  4. Step 4: Simplify right side
    8,668.36x = 68,078,955.89
  5. Step 5: Solve for x
    x = 68,078,955.89/8,668.36
  6. Step 6: Final answer
    x = 7,853.73

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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.