Home / 8,937.79-13,405.05-3,389.31

Finding the Fourth Proportional to 8,937.79, 13,405.05 and 3,389.31

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Solution

The fourth proportional to 8,937.79, 13,405.05 and 3,389.31 is: 5,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.79 : 13,405.05 = 3,389.31 : x
  2. Step 2: Convert to fraction form
    8,937.79/13,405.05 = 3,389.31/x
  3. Step 3: Cross multiply
    8,937.79x = 13,405.05 × 3,389.31
  4. Step 4: Simplify right side
    8,937.79x = 45,433,802.99
  5. Step 5: Solve for x
    x = 45,433,802.99/8,937.79
  6. Step 6: Final answer
    x = 5,083.34

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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.