Home / 4,381.32-6,564.62-1,912.44

Finding the Fourth Proportional to 4,381.32, 6,564.62 and 1,912.44

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Solution

The fourth proportional to 4,381.32, 6,564.62 and 1,912.44 is: 2,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.32 : 6,564.62 = 1,912.44 : x
  2. Step 2: Convert to fraction form
    4,381.32/6,564.62 = 1,912.44/x
  3. Step 3: Cross multiply
    4,381.32x = 6,564.62 × 1,912.44
  4. Step 4: Simplify right side
    4,381.32x = 12,554,441.87
  5. Step 5: Solve for x
    x = 12,554,441.87/4,381.32
  6. Step 6: Final answer
    x = 2,865.45

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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.