Home / 6,668.83-10,003.75-1,988.47

Finding the Fourth Proportional to 6,668.83, 10,003.75 and 1,988.47

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Solution

The fourth proportional to 6,668.83, 10,003.75 and 1,988.47 is: 2,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.83 : 10,003.75 = 1,988.47 : x
  2. Step 2: Convert to fraction form
    6,668.83/10,003.75 = 1,988.47/x
  3. Step 3: Cross multiply
    6,668.83x = 10,003.75 × 1,988.47
  4. Step 4: Simplify right side
    6,668.83x = 19,892,203.62
  5. Step 5: Solve for x
    x = 19,892,203.62/6,668.83
  6. Step 6: Final answer
    x = 2,982.86

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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.