Home / 4,647.78-6,974.04-3,088.85

Finding the Fourth Proportional to 4,647.78, 6,974.04 and 3,088.85

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Solution

The fourth proportional to 4,647.78, 6,974.04 and 3,088.85 is: 4,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.78 : 6,974.04 = 3,088.85 : x
  2. Step 2: Convert to fraction form
    4,647.78/6,974.04 = 3,088.85/x
  3. Step 3: Cross multiply
    4,647.78x = 6,974.04 × 3,088.85
  4. Step 4: Simplify right side
    4,647.78x = 21,541,728.58
  5. Step 5: Solve for x
    x = 21,541,728.58/4,647.78
  6. Step 6: Final answer
    x = 4,634.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.