Home / 6,787.89-9,367.27-4,135.30

Finding the Fourth Proportional to 6,787.89, 9,367.27 and 4,135.30

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Solution

The fourth proportional to 6,787.89, 9,367.27 and 4,135.30 is: 5,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.89 : 9,367.27 = 4,135.30 : x
  2. Step 2: Convert to fraction form
    6,787.89/9,367.27 = 4,135.30/x
  3. Step 3: Cross multiply
    6,787.89x = 9,367.27 × 4,135.30
  4. Step 4: Simplify right side
    6,787.89x = 38,736,443.57
  5. Step 5: Solve for x
    x = 38,736,443.57/6,787.89
  6. Step 6: Final answer
    x = 5,706.70

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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.