Home / 4,313.39-6,471.60-2,123.66

Finding the Fourth Proportional to 4,313.39, 6,471.60 and 2,123.66

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Solution

The fourth proportional to 4,313.39, 6,471.60 and 2,123.66 is: 3,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.39 : 6,471.60 = 2,123.66 : x
  2. Step 2: Convert to fraction form
    4,313.39/6,471.60 = 2,123.66/x
  3. Step 3: Cross multiply
    4,313.39x = 6,471.60 × 2,123.66
  4. Step 4: Simplify right side
    4,313.39x = 13,743,467.79
  5. Step 5: Solve for x
    x = 13,743,467.79/4,313.39
  6. Step 6: Final answer
    x = 3,186.23

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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.