Home / 4,880.12-7,322.00-2,105.66

Finding the Fourth Proportional to 4,880.12, 7,322.00 and 2,105.66

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Solution

The fourth proportional to 4,880.12, 7,322.00 and 2,105.66 is: 3,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.12 : 7,322.00 = 2,105.66 : x
  2. Step 2: Convert to fraction form
    4,880.12/7,322.00 = 2,105.66/x
  3. Step 3: Cross multiply
    4,880.12x = 7,322.00 × 2,105.66
  4. Step 4: Simplify right side
    4,880.12x = 15,417,650.30
  5. Step 5: Solve for x
    x = 15,417,650.30/4,880.12
  6. Step 6: Final answer
    x = 3,159.28

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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.