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Finding the Fourth Proportional to 6,599.14, 9,897.78 and 1,668.48

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Solution

The fourth proportional to 6,599.14, 9,897.78 and 1,668.48 is: 2,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.14 : 9,897.78 = 1,668.48 : x
  2. Step 2: Convert to fraction form
    6,599.14/9,897.78 = 1,668.48/x
  3. Step 3: Cross multiply
    6,599.14x = 9,897.78 × 1,668.48
  4. Step 4: Simplify right side
    6,599.14x = 16,514,247.97
  5. Step 5: Solve for x
    x = 16,514,247.97/6,599.14
  6. Step 6: Final answer
    x = 2,502.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.