Home / 8,564.09-12,847.86-3,021.36

Finding the Fourth Proportional to 8,564.09, 12,847.86 and 3,021.36

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Solution

The fourth proportional to 8,564.09, 12,847.86 and 3,021.36 is: 4,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.09 : 12,847.86 = 3,021.36 : x
  2. Step 2: Convert to fraction form
    8,564.09/12,847.86 = 3,021.36/x
  3. Step 3: Cross multiply
    8,564.09x = 12,847.86 × 3,021.36
  4. Step 4: Simplify right side
    8,564.09x = 38,818,058.47
  5. Step 5: Solve for x
    x = 38,818,058.47/8,564.09
  6. Step 6: Final answer
    x = 4,532.65

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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.