Home / 8,938.10-13,407.16-3,669.43

Finding the Fourth Proportional to 8,938.10, 13,407.16 and 3,669.43

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Solution

The fourth proportional to 8,938.10, 13,407.16 and 3,669.43 is: 5,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.10 : 13,407.16 = 3,669.43 : x
  2. Step 2: Convert to fraction form
    8,938.10/13,407.16 = 3,669.43/x
  3. Step 3: Cross multiply
    8,938.10x = 13,407.16 × 3,669.43
  4. Step 4: Simplify right side
    8,938.10x = 49,196,671.64
  5. Step 5: Solve for x
    x = 49,196,671.64/8,938.10
  6. Step 6: Final answer
    x = 5,504.16

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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.