Home / 4,915.22-7,361.75-2,830.28

Finding the Fourth Proportional to 4,915.22, 7,361.75 and 2,830.28

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Solution

The fourth proportional to 4,915.22, 7,361.75 and 2,830.28 is: 4,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.22 : 7,361.75 = 2,830.28 : x
  2. Step 2: Convert to fraction form
    4,915.22/7,361.75 = 2,830.28/x
  3. Step 3: Cross multiply
    4,915.22x = 7,361.75 × 2,830.28
  4. Step 4: Simplify right side
    4,915.22x = 20,835,784.06
  5. Step 5: Solve for x
    x = 20,835,784.06/4,915.22
  6. Step 6: Final answer
    x = 4,239.04

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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.