Home / 4,230.06-5,839.12-3,787.20

Finding the Fourth Proportional to 4,230.06, 5,839.12 and 3,787.20

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Solution

The fourth proportional to 4,230.06, 5,839.12 and 3,787.20 is: 5,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.06 : 5,839.12 = 3,787.20 : x
  2. Step 2: Convert to fraction form
    4,230.06/5,839.12 = 3,787.20/x
  3. Step 3: Cross multiply
    4,230.06x = 5,839.12 × 3,787.20
  4. Step 4: Simplify right side
    4,230.06x = 22,113,915.26
  5. Step 5: Solve for x
    x = 22,113,915.26/4,230.06
  6. Step 6: Final answer
    x = 5,227.80

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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.