Home / 4,911.21-7,366.83-2,137.77

Finding the Fourth Proportional to 4,911.21, 7,366.83 and 2,137.77

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Solution

The fourth proportional to 4,911.21, 7,366.83 and 2,137.77 is: 3,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.21 : 7,366.83 = 2,137.77 : x
  2. Step 2: Convert to fraction form
    4,911.21/7,366.83 = 2,137.77/x
  3. Step 3: Cross multiply
    4,911.21x = 7,366.83 × 2,137.77
  4. Step 4: Simplify right side
    4,911.21x = 15,748,588.17
  5. Step 5: Solve for x
    x = 15,748,588.17/4,911.21
  6. Step 6: Final answer
    x = 3,206.66

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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.