Home / 6,974.03-9,621.38-4,455.49

Finding the Fourth Proportional to 6,974.03, 9,621.38 and 4,455.49

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Solution

The fourth proportional to 6,974.03, 9,621.38 and 4,455.49 is: 6,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.03 : 9,621.38 = 4,455.49 : x
  2. Step 2: Convert to fraction form
    6,974.03/9,621.38 = 4,455.49/x
  3. Step 3: Cross multiply
    6,974.03x = 9,621.38 × 4,455.49
  4. Step 4: Simplify right side
    6,974.03x = 42,867,967.50
  5. Step 5: Solve for x
    x = 42,867,967.50/6,974.03
  6. Step 6: Final answer
    x = 6,146.80

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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.