Home / 6,868.41-9,478.45-3,724.59

Finding the Fourth Proportional to 6,868.41, 9,478.45 and 3,724.59

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Solution

The fourth proportional to 6,868.41, 9,478.45 and 3,724.59 is: 5,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.41 : 9,478.45 = 3,724.59 : x
  2. Step 2: Convert to fraction form
    6,868.41/9,478.45 = 3,724.59/x
  3. Step 3: Cross multiply
    6,868.41x = 9,478.45 × 3,724.59
  4. Step 4: Simplify right side
    6,868.41x = 35,303,380.29
  5. Step 5: Solve for x
    x = 35,303,380.29/6,868.41
  6. Step 6: Final answer
    x = 5,139.97

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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.