Home / 6,738.12-9,299.88-4,085.10

Finding the Fourth Proportional to 6,738.12, 9,299.88 and 4,085.10

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Solution

The fourth proportional to 6,738.12, 9,299.88 and 4,085.10 is: 5,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.12 : 9,299.88 = 4,085.10 : x
  2. Step 2: Convert to fraction form
    6,738.12/9,299.88 = 4,085.10/x
  3. Step 3: Cross multiply
    6,738.12x = 9,299.88 × 4,085.10
  4. Step 4: Simplify right side
    6,738.12x = 37,990,939.79
  5. Step 5: Solve for x
    x = 37,990,939.79/6,738.12
  6. Step 6: Final answer
    x = 5,638.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.