Home / 8,668.28-11,962.33-4,689.47

Finding the Fourth Proportional to 8,668.28, 11,962.33 and 4,689.47

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Solution

The fourth proportional to 8,668.28, 11,962.33 and 4,689.47 is: 6,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.28 : 11,962.33 = 4,689.47 : x
  2. Step 2: Convert to fraction form
    8,668.28/11,962.33 = 4,689.47/x
  3. Step 3: Cross multiply
    8,668.28x = 11,962.33 × 4,689.47
  4. Step 4: Simplify right side
    8,668.28x = 56,097,005.85
  5. Step 5: Solve for x
    x = 56,097,005.85/8,668.28
  6. Step 6: Final answer
    x = 6,471.52

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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.