Home / 4,266.35-6,400.05-1,668.95

Finding the Fourth Proportional to 4,266.35, 6,400.05 and 1,668.95

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Solution

The fourth proportional to 4,266.35, 6,400.05 and 1,668.95 is: 2,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.35 : 6,400.05 = 1,668.95 : x
  2. Step 2: Convert to fraction form
    4,266.35/6,400.05 = 1,668.95/x
  3. Step 3: Cross multiply
    4,266.35x = 6,400.05 × 1,668.95
  4. Step 4: Simplify right side
    4,266.35x = 10,681,331.45
  5. Step 5: Solve for x
    x = 10,681,331.45/4,266.35
  6. Step 6: Final answer
    x = 2,503.63

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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.