Home / 7,074.92-10,612.38-2,913.86

Finding the Fourth Proportional to 7,074.92, 10,612.38 and 2,913.86

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Solution

The fourth proportional to 7,074.92, 10,612.38 and 2,913.86 is: 4,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.92 : 10,612.38 = 2,913.86 : x
  2. Step 2: Convert to fraction form
    7,074.92/10,612.38 = 2,913.86/x
  3. Step 3: Cross multiply
    7,074.92x = 10,612.38 × 2,913.86
  4. Step 4: Simplify right side
    7,074.92x = 30,922,989.59
  5. Step 5: Solve for x
    x = 30,922,989.59/7,074.92
  6. Step 6: Final answer
    x = 4,370.79

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Similar ratio
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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.