Home / 6,787.55-9,365.73-4,135.79

Finding the Fourth Proportional to 6,787.55, 9,365.73 and 4,135.79

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Solution

The fourth proportional to 6,787.55, 9,365.73 and 4,135.79 is: 5,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.55 : 9,365.73 = 4,135.79 : x
  2. Step 2: Convert to fraction form
    6,787.55/9,365.73 = 4,135.79/x
  3. Step 3: Cross multiply
    6,787.55x = 9,365.73 × 4,135.79
  4. Step 4: Simplify right side
    6,787.55x = 38,734,692.48
  5. Step 5: Solve for x
    x = 38,734,692.48/6,787.55
  6. Step 6: Final answer
    x = 5,706.73

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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.