Home / 9,312.18-13,968.36-2,738.49

Finding the Fourth Proportional to 9,312.18, 13,968.36 and 2,738.49

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Solution

The fourth proportional to 9,312.18, 13,968.36 and 2,738.49 is: 4,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.18 : 13,968.36 = 2,738.49 : x
  2. Step 2: Convert to fraction form
    9,312.18/13,968.36 = 2,738.49/x
  3. Step 3: Cross multiply
    9,312.18x = 13,968.36 × 2,738.49
  4. Step 4: Simplify right side
    9,312.18x = 38,252,214.18
  5. Step 5: Solve for x
    x = 38,252,214.18/9,312.18
  6. Step 6: Final answer
    x = 4,107.76

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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.