Home / 4,983.21-7,477.29-3,663.72

Finding the Fourth Proportional to 4,983.21, 7,477.29 and 3,663.72

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Solution

The fourth proportional to 4,983.21, 7,477.29 and 3,663.72 is: 5,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.21 : 7,477.29 = 3,663.72 : x
  2. Step 2: Convert to fraction form
    4,983.21/7,477.29 = 3,663.72/x
  3. Step 3: Cross multiply
    4,983.21x = 7,477.29 × 3,663.72
  4. Step 4: Simplify right side
    4,983.21x = 27,394,696.92
  5. Step 5: Solve for x
    x = 27,394,696.92/4,983.21
  6. Step 6: Final answer
    x = 5,497.40

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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.