Home / 6,974.10-10,436.09-5,120.62

Finding the Fourth Proportional to 6,974.10, 10,436.09 and 5,120.62

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Solution

The fourth proportional to 6,974.10, 10,436.09 and 5,120.62 is: 7,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.10 : 10,436.09 = 5,120.62 : x
  2. Step 2: Convert to fraction form
    6,974.10/10,436.09 = 5,120.62/x
  3. Step 3: Cross multiply
    6,974.10x = 10,436.09 × 5,120.62
  4. Step 4: Simplify right side
    6,974.10x = 53,439,199.48
  5. Step 5: Solve for x
    x = 53,439,199.48/6,974.10
  6. Step 6: Final answer
    x = 7,662.52

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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.