Home / 8,564.09-12,847.35-2,641.47

Finding the Fourth Proportional to 8,564.09, 12,847.35 and 2,641.47

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Solution

The fourth proportional to 8,564.09, 12,847.35 and 2,641.47 is: 3,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.09 : 12,847.35 = 2,641.47 : x
  2. Step 2: Convert to fraction form
    8,564.09/12,847.35 = 2,641.47/x
  3. Step 3: Cross multiply
    8,564.09x = 12,847.35 × 2,641.47
  4. Step 4: Simplify right side
    8,564.09x = 33,935,889.60
  5. Step 5: Solve for x
    x = 33,935,889.60/8,564.09
  6. Step 6: Final answer
    x = 3,962.58

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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.