Home / 9,188.41-13,782.92-4,378.81

Finding the Fourth Proportional to 9,188.41, 13,782.92 and 4,378.81

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Solution

The fourth proportional to 9,188.41, 13,782.92 and 4,378.81 is: 6,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.41 : 13,782.92 = 4,378.81 : x
  2. Step 2: Convert to fraction form
    9,188.41/13,782.92 = 4,378.81/x
  3. Step 3: Cross multiply
    9,188.41x = 13,782.92 × 4,378.81
  4. Step 4: Simplify right side
    9,188.41x = 60,352,787.93
  5. Step 5: Solve for x
    x = 60,352,787.93/9,188.41
  6. Step 6: Final answer
    x = 6,568.36

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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.