Home / 6,911.42-10,371.15-2,908.51

Finding the Fourth Proportional to 6,911.42, 10,371.15 and 2,908.51

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Solution

The fourth proportional to 6,911.42, 10,371.15 and 2,908.51 is: 4,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.42 : 10,371.15 = 2,908.51 : x
  2. Step 2: Convert to fraction form
    6,911.42/10,371.15 = 2,908.51/x
  3. Step 3: Cross multiply
    6,911.42x = 10,371.15 × 2,908.51
  4. Step 4: Simplify right side
    6,911.42x = 30,164,578.94
  5. Step 5: Solve for x
    x = 30,164,578.94/6,911.42
  6. Step 6: Final answer
    x = 4,364.45

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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.