Home / 5,912.07-8,154.04-3,787.80

Finding the Fourth Proportional to 5,912.07, 8,154.04 and 3,787.80

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Solution

The fourth proportional to 5,912.07, 8,154.04 and 3,787.80 is: 5,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.07 : 8,154.04 = 3,787.80 : x
  2. Step 2: Convert to fraction form
    5,912.07/8,154.04 = 3,787.80/x
  3. Step 3: Cross multiply
    5,912.07x = 8,154.04 × 3,787.80
  4. Step 4: Simplify right side
    5,912.07x = 30,885,813.00
  5. Step 5: Solve for x
    x = 30,885,813.00/5,912.07
  6. Step 6: Final answer
    x = 5,224.20

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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.