Home / 8,210.42-12,313.38-2,944.45

Finding the Fourth Proportional to 8,210.42, 12,313.38 and 2,944.45

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Solution

The fourth proportional to 8,210.42, 12,313.38 and 2,944.45 is: 4,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.42 : 12,313.38 = 2,944.45 : x
  2. Step 2: Convert to fraction form
    8,210.42/12,313.38 = 2,944.45/x
  3. Step 3: Cross multiply
    8,210.42x = 12,313.38 × 2,944.45
  4. Step 4: Simplify right side
    8,210.42x = 36,256,162.52
  5. Step 5: Solve for x
    x = 36,256,162.52/8,210.42
  6. Step 6: Final answer
    x = 4,415.87

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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.