Home / 4,310.40-6,470.40-2,668.80

Finding the Fourth Proportional to 4,310.40, 6,470.40 and 2,668.80

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Solution

The fourth proportional to 4,310.40, 6,470.40 and 2,668.80 is: 4,006.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.40 : 6,470.40 = 2,668.80 : x
  2. Step 2: Convert to fraction form
    4,310.40/6,470.40 = 2,668.80/x
  3. Step 3: Cross multiply
    4,310.40x = 6,470.40 × 2,668.80
  4. Step 4: Simplify right side
    4,310.40x = 17,268,203.52
  5. Step 5: Solve for x
    x = 17,268,203.52/4,310.40
  6. Step 6: Final answer
    x = 4,006.17

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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.