Home / 4,290.70-6,434.97-1,693.66

Finding the Fourth Proportional to 4,290.70, 6,434.97 and 1,693.66

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Solution

The fourth proportional to 4,290.70, 6,434.97 and 1,693.66 is: 2,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.70 : 6,434.97 = 1,693.66 : x
  2. Step 2: Convert to fraction form
    4,290.70/6,434.97 = 1,693.66/x
  3. Step 3: Cross multiply
    4,290.70x = 6,434.97 × 1,693.66
  4. Step 4: Simplify right side
    4,290.70x = 10,898,651.29
  5. Step 5: Solve for x
    x = 10,898,651.29/4,290.70
  6. Step 6: Final answer
    x = 2,540.06

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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.