Home / 4,135.40-6,197.89-1,668.85

Finding the Fourth Proportional to 4,135.40, 6,197.89 and 1,668.85

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Solution

The fourth proportional to 4,135.40, 6,197.89 and 1,668.85 is: 2,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.40 : 6,197.89 = 1,668.85 : x
  2. Step 2: Convert to fraction form
    4,135.40/6,197.89 = 1,668.85/x
  3. Step 3: Cross multiply
    4,135.40x = 6,197.89 × 1,668.85
  4. Step 4: Simplify right side
    4,135.40x = 10,343,344.55
  5. Step 5: Solve for x
    x = 10,343,344.55/4,135.40
  6. Step 6: Final answer
    x = 2,501.17

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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.