Home / 7,644.43-10,548.69-4,286.79

Finding the Fourth Proportional to 7,644.43, 10,548.69 and 4,286.79

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Solution

The fourth proportional to 7,644.43, 10,548.69 and 4,286.79 is: 5,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.43 : 10,548.69 = 4,286.79 : x
  2. Step 2: Convert to fraction form
    7,644.43/10,548.69 = 4,286.79/x
  3. Step 3: Cross multiply
    7,644.43x = 10,548.69 × 4,286.79
  4. Step 4: Simplify right side
    7,644.43x = 45,220,018.81
  5. Step 5: Solve for x
    x = 45,220,018.81/7,644.43
  6. Step 6: Final answer
    x = 5,915.42

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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.