Home / 8,717.78-13,058.61-4,262.03

Finding the Fourth Proportional to 8,717.78, 13,058.61 and 4,262.03

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Solution

The fourth proportional to 8,717.78, 13,058.61 and 4,262.03 is: 6,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.78 : 13,058.61 = 4,262.03 : x
  2. Step 2: Convert to fraction form
    8,717.78/13,058.61 = 4,262.03/x
  3. Step 3: Cross multiply
    8,717.78x = 13,058.61 × 4,262.03
  4. Step 4: Simplify right side
    8,717.78x = 55,656,187.58
  5. Step 5: Solve for x
    x = 55,656,187.58/8,717.78
  6. Step 6: Final answer
    x = 6,384.22

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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.