Home / 8,955.90-13,433.13-3,689.48

Finding the Fourth Proportional to 8,955.90, 13,433.13 and 3,689.48

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Solution

The fourth proportional to 8,955.90, 13,433.13 and 3,689.48 is: 5,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.90 : 13,433.13 = 3,689.48 : x
  2. Step 2: Convert to fraction form
    8,955.90/13,433.13 = 3,689.48/x
  3. Step 3: Cross multiply
    8,955.90x = 13,433.13 × 3,689.48
  4. Step 4: Simplify right side
    8,955.90x = 49,561,197.31
  5. Step 5: Solve for x
    x = 49,561,197.31/8,955.90
  6. Step 6: Final answer
    x = 5,533.92

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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.