Home / 6,738.17-9,299.49-4,085.57

Finding the Fourth Proportional to 6,738.17, 9,299.49 and 4,085.57

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Solution

The fourth proportional to 6,738.17, 9,299.49 and 4,085.57 is: 5,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.17 : 9,299.49 = 4,085.57 : x
  2. Step 2: Convert to fraction form
    6,738.17/9,299.49 = 4,085.57/x
  3. Step 3: Cross multiply
    6,738.17x = 9,299.49 × 4,085.57
  4. Step 4: Simplify right side
    6,738.17x = 37,993,670.86
  5. Step 5: Solve for x
    x = 37,993,670.86/6,738.17
  6. Step 6: Final answer
    x = 5,638.58

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1.5x scale

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.