Home / 8,943.21-13,409.31-4,263.03

Finding the Fourth Proportional to 8,943.21, 13,409.31 and 4,263.03

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Solution

The fourth proportional to 8,943.21, 13,409.31 and 4,263.03 is: 6,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.21 : 13,409.31 = 4,263.03 : x
  2. Step 2: Convert to fraction form
    8,943.21/13,409.31 = 4,263.03/x
  3. Step 3: Cross multiply
    8,943.21x = 13,409.31 × 4,263.03
  4. Step 4: Simplify right side
    8,943.21x = 57,164,290.81
  5. Step 5: Solve for x
    x = 57,164,290.81/8,943.21
  6. Step 6: Final answer
    x = 6,391.92

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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.