Home / 6,930.89-9,564.69-3,787.13

Finding the Fourth Proportional to 6,930.89, 9,564.69 and 3,787.13

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Solution

The fourth proportional to 6,930.89, 9,564.69 and 3,787.13 is: 5,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.89 : 9,564.69 = 3,787.13 : x
  2. Step 2: Convert to fraction form
    6,930.89/9,564.69 = 3,787.13/x
  3. Step 3: Cross multiply
    6,930.89x = 9,564.69 × 3,787.13
  4. Step 4: Simplify right side
    6,930.89x = 36,222,724.44
  5. Step 5: Solve for x
    x = 36,222,724.44/6,930.89
  6. Step 6: Final answer
    x = 5,226.27

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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.