Home / 4,718.12-6,511.81-2,729.89

Finding the Fourth Proportional to 4,718.12, 6,511.81 and 2,729.89

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Solution

The fourth proportional to 4,718.12, 6,511.81 and 2,729.89 is: 3,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.12 : 6,511.81 = 2,729.89 : x
  2. Step 2: Convert to fraction form
    4,718.12/6,511.81 = 2,729.89/x
  3. Step 3: Cross multiply
    4,718.12x = 6,511.81 × 2,729.89
  4. Step 4: Simplify right side
    4,718.12x = 17,776,525.00
  5. Step 5: Solve for x
    x = 17,776,525.00/4,718.12
  6. Step 6: Final answer
    x = 3,767.71

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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.