Home / 6,787.34-9,366.62-4,428.12

Finding the Fourth Proportional to 6,787.34, 9,366.62 and 4,428.12

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Solution

The fourth proportional to 6,787.34, 9,366.62 and 4,428.12 is: 6,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.34 : 9,366.62 = 4,428.12 : x
  2. Step 2: Convert to fraction form
    6,787.34/9,366.62 = 4,428.12/x
  3. Step 3: Cross multiply
    6,787.34x = 9,366.62 × 4,428.12
  4. Step 4: Simplify right side
    6,787.34x = 41,476,495.21
  5. Step 5: Solve for x
    x = 41,476,495.21/6,787.34
  6. Step 6: Final answer
    x = 6,110.87

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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.