Home / 6,895.01-9,515.49-3,911.81

Finding the Fourth Proportional to 6,895.01, 9,515.49 and 3,911.81

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Solution

The fourth proportional to 6,895.01, 9,515.49 and 3,911.81 is: 5,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.01 : 9,515.49 = 3,911.81 : x
  2. Step 2: Convert to fraction form
    6,895.01/9,515.49 = 3,911.81/x
  3. Step 3: Cross multiply
    6,895.01x = 9,515.49 × 3,911.81
  4. Step 4: Simplify right side
    6,895.01x = 37,222,721.80
  5. Step 5: Solve for x
    x = 37,222,721.80/6,895.01
  6. Step 6: Final answer
    x = 5,398.50

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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.