Home / 7,260.42-10,019.38-4,116.61

Finding the Fourth Proportional to 7,260.42, 10,019.38 and 4,116.61

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Solution

The fourth proportional to 7,260.42, 10,019.38 and 4,116.61 is: 5,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.42 : 10,019.38 = 4,116.61 : x
  2. Step 2: Convert to fraction form
    7,260.42/10,019.38 = 4,116.61/x
  3. Step 3: Cross multiply
    7,260.42x = 10,019.38 × 4,116.61
  4. Step 4: Simplify right side
    7,260.42x = 41,245,879.90
  5. Step 5: Solve for x
    x = 41,245,879.90/7,260.42
  6. Step 6: Final answer
    x = 5,680.92

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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.