Home / 8,271.84-11,415.16-4,867.98

Finding the Fourth Proportional to 8,271.84, 11,415.16 and 4,867.98

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Solution

The fourth proportional to 8,271.84, 11,415.16 and 4,867.98 is: 6,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.84 : 11,415.16 = 4,867.98 : x
  2. Step 2: Convert to fraction form
    8,271.84/11,415.16 = 4,867.98/x
  3. Step 3: Cross multiply
    8,271.84x = 11,415.16 × 4,867.98
  4. Step 4: Simplify right side
    8,271.84x = 55,568,770.58
  5. Step 5: Solve for x
    x = 55,568,770.58/8,271.84
  6. Step 6: Final answer
    x = 6,717.82

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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.