Home / 8,938.88-13,410.66-3,392.34

Finding the Fourth Proportional to 8,938.88, 13,410.66 and 3,392.34

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Solution

The fourth proportional to 8,938.88, 13,410.66 and 3,392.34 is: 5,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.88 : 13,410.66 = 3,392.34 : x
  2. Step 2: Convert to fraction form
    8,938.88/13,410.66 = 3,392.34/x
  3. Step 3: Cross multiply
    8,938.88x = 13,410.66 × 3,392.34
  4. Step 4: Simplify right side
    8,938.88x = 45,493,518.34
  5. Step 5: Solve for x
    x = 45,493,518.34/8,938.88
  6. Step 6: Final answer
    x = 5,089.40

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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.