Home / 5,051.92-6,971.34-2,813.68

Finding the Fourth Proportional to 5,051.92, 6,971.34 and 2,813.68

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Solution

The fourth proportional to 5,051.92, 6,971.34 and 2,813.68 is: 3,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.92 : 6,971.34 = 2,813.68 : x
  2. Step 2: Convert to fraction form
    5,051.92/6,971.34 = 2,813.68/x
  3. Step 3: Cross multiply
    5,051.92x = 6,971.34 × 2,813.68
  4. Step 4: Simplify right side
    5,051.92x = 19,615,119.93
  5. Step 5: Solve for x
    x = 19,615,119.93/5,051.92
  6. Step 6: Final answer
    x = 3,882.71

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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.