Home / 4,812.39-7,213.91-2,345.86

Finding the Fourth Proportional to 4,812.39, 7,213.91 and 2,345.86

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Solution

The fourth proportional to 4,812.39, 7,213.91 and 2,345.86 is: 3,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.39 : 7,213.91 = 2,345.86 : x
  2. Step 2: Convert to fraction form
    4,812.39/7,213.91 = 2,345.86/x
  3. Step 3: Cross multiply
    4,812.39x = 7,213.91 × 2,345.86
  4. Step 4: Simplify right side
    4,812.39x = 16,922,833.40
  5. Step 5: Solve for x
    x = 16,922,833.40/4,812.39
  6. Step 6: Final answer
    x = 3,516.52

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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.