Home / 4,718.07-6,511.86-2,728.51

Finding the Fourth Proportional to 4,718.07, 6,511.86 and 2,728.51

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Solution

The fourth proportional to 4,718.07, 6,511.86 and 2,728.51 is: 3,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.07 : 6,511.86 = 2,728.51 : x
  2. Step 2: Convert to fraction form
    4,718.07/6,511.86 = 2,728.51/x
  3. Step 3: Cross multiply
    4,718.07x = 6,511.86 × 2,728.51
  4. Step 4: Simplify right side
    4,718.07x = 17,767,658.85
  5. Step 5: Solve for x
    x = 17,767,658.85/4,718.07
  6. Step 6: Final answer
    x = 3,765.87

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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.