Home / 4,915.58-6,790.38-3,422.75

Finding the Fourth Proportional to 4,915.58, 6,790.38 and 3,422.75

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Solution

The fourth proportional to 4,915.58, 6,790.38 and 3,422.75 is: 4,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.58 : 6,790.38 = 3,422.75 : x
  2. Step 2: Convert to fraction form
    4,915.58/6,790.38 = 3,422.75/x
  3. Step 3: Cross multiply
    4,915.58x = 6,790.38 × 3,422.75
  4. Step 4: Simplify right side
    4,915.58x = 23,241,773.15
  5. Step 5: Solve for x
    x = 23,241,773.15/4,915.58
  6. Step 6: Final answer
    x = 4,728.19

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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.