Home / 6,871.91-10,299.42-2,707.74

Finding the Fourth Proportional to 6,871.91, 10,299.42 and 2,707.74

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Solution

The fourth proportional to 6,871.91, 10,299.42 and 2,707.74 is: 4,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.91 : 10,299.42 = 2,707.74 : x
  2. Step 2: Convert to fraction form
    6,871.91/10,299.42 = 2,707.74/x
  3. Step 3: Cross multiply
    6,871.91x = 10,299.42 × 2,707.74
  4. Step 4: Simplify right side
    6,871.91x = 27,888,151.51
  5. Step 5: Solve for x
    x = 27,888,151.51/6,871.91
  6. Step 6: Final answer
    x = 4,058.29

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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.