Home / 6,974.08-9,621.45-4,455.54

Finding the Fourth Proportional to 6,974.08, 9,621.45 and 4,455.54

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Solution

The fourth proportional to 6,974.08, 9,621.45 and 4,455.54 is: 6,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.08 : 9,621.45 = 4,455.54 : x
  2. Step 2: Convert to fraction form
    6,974.08/9,621.45 = 4,455.54/x
  3. Step 3: Cross multiply
    6,974.08x = 9,621.45 × 4,455.54
  4. Step 4: Simplify right side
    6,974.08x = 42,868,709.00
  5. Step 5: Solve for x
    x = 42,868,709.00/6,974.08
  6. Step 6: Final answer
    x = 6,146.86

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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.