Home / 7,738.53-10,684.56-6,835.38

Finding the Fourth Proportional to 7,738.53, 10,684.56 and 6,835.38

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Solution

The fourth proportional to 7,738.53, 10,684.56 and 6,835.38 is: 9,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.53 : 10,684.56 = 6,835.38 : x
  2. Step 2: Convert to fraction form
    7,738.53/10,684.56 = 6,835.38/x
  3. Step 3: Cross multiply
    7,738.53x = 10,684.56 × 6,835.38
  4. Step 4: Simplify right side
    7,738.53x = 73,033,027.73
  5. Step 5: Solve for x
    x = 73,033,027.73/7,738.53
  6. Step 6: Final answer
    x = 9,437.58

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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.