Home / 8,564.86-12,846.84-2,721.02

Finding the Fourth Proportional to 8,564.86, 12,846.84 and 2,721.02

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Solution

The fourth proportional to 8,564.86, 12,846.84 and 2,721.02 is: 4,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.86 : 12,846.84 = 2,721.02 : x
  2. Step 2: Convert to fraction form
    8,564.86/12,846.84 = 2,721.02/x
  3. Step 3: Cross multiply
    8,564.86x = 12,846.84 × 2,721.02
  4. Step 4: Simplify right side
    8,564.86x = 34,956,453.60
  5. Step 5: Solve for x
    x = 34,956,453.60/8,564.86
  6. Step 6: Final answer
    x = 4,081.38

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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.