Home / 5,629.26-7,763.66-4,118.70

Finding the Fourth Proportional to 5,629.26, 7,763.66 and 4,118.70

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Solution

The fourth proportional to 5,629.26, 7,763.66 and 4,118.70 is: 5,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.26 : 7,763.66 = 4,118.70 : x
  2. Step 2: Convert to fraction form
    5,629.26/7,763.66 = 4,118.70/x
  3. Step 3: Cross multiply
    5,629.26x = 7,763.66 × 4,118.70
  4. Step 4: Simplify right side
    5,629.26x = 31,976,186.44
  5. Step 5: Solve for x
    x = 31,976,186.44/5,629.26
  6. Step 6: Final answer
    x = 5,680.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.