Home / 5,787.34-7,986.53-3,134.75

Finding the Fourth Proportional to 5,787.34, 7,986.53 and 3,134.75

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Solution

The fourth proportional to 5,787.34, 7,986.53 and 3,134.75 is: 4,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.34 : 7,986.53 = 3,134.75 : x
  2. Step 2: Convert to fraction form
    5,787.34/7,986.53 = 3,134.75/x
  3. Step 3: Cross multiply
    5,787.34x = 7,986.53 × 3,134.75
  4. Step 4: Simplify right side
    5,787.34x = 25,035,759.24
  5. Step 5: Solve for x
    x = 25,035,759.24/5,787.34
  6. Step 6: Final answer
    x = 4,325.96

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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.