Home / 4,128.84-6,195.10-1,668.47

Finding the Fourth Proportional to 4,128.84, 6,195.10 and 1,668.47

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Solution

The fourth proportional to 4,128.84, 6,195.10 and 1,668.47 is: 2,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.84 : 6,195.10 = 1,668.47 : x
  2. Step 2: Convert to fraction form
    4,128.84/6,195.10 = 1,668.47/x
  3. Step 3: Cross multiply
    4,128.84x = 6,195.10 × 1,668.47
  4. Step 4: Simplify right side
    4,128.84x = 10,336,318.84
  5. Step 5: Solve for x
    x = 10,336,318.84/4,128.84
  6. Step 6: Final answer
    x = 2,503.44

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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.