Home / 7,974.84-11,005.64-4,617.80

Finding the Fourth Proportional to 7,974.84, 11,005.64 and 4,617.80

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Solution

The fourth proportional to 7,974.84, 11,005.64 and 4,617.80 is: 6,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.84 : 11,005.64 = 4,617.80 : x
  2. Step 2: Convert to fraction form
    7,974.84/11,005.64 = 4,617.80/x
  3. Step 3: Cross multiply
    7,974.84x = 11,005.64 × 4,617.80
  4. Step 4: Simplify right side
    7,974.84x = 50,821,844.39
  5. Step 5: Solve for x
    x = 50,821,844.39/7,974.84
  6. Step 6: Final answer
    x = 6,372.77

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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.