Home / 5,915.30-8,162.80-3,362.72

Finding the Fourth Proportional to 5,915.30, 8,162.80 and 3,362.72

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Solution

The fourth proportional to 5,915.30, 8,162.80 and 3,362.72 is: 4,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.30 : 8,162.80 = 3,362.72 : x
  2. Step 2: Convert to fraction form
    5,915.30/8,162.80 = 3,362.72/x
  3. Step 3: Cross multiply
    5,915.30x = 8,162.80 × 3,362.72
  4. Step 4: Simplify right side
    5,915.30x = 27,449,161.60
  5. Step 5: Solve for x
    x = 27,449,161.60/5,915.30
  6. Step 6: Final answer
    x = 4,640.37

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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.