Home / 6,745.78-10,113.39-4,280.14

Finding the Fourth Proportional to 6,745.78, 10,113.39 and 4,280.14

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Solution

The fourth proportional to 6,745.78, 10,113.39 and 4,280.14 is: 6,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.78 : 10,113.39 = 4,280.14 : x
  2. Step 2: Convert to fraction form
    6,745.78/10,113.39 = 4,280.14/x
  3. Step 3: Cross multiply
    6,745.78x = 10,113.39 × 4,280.14
  4. Step 4: Simplify right side
    6,745.78x = 43,286,725.07
  5. Step 5: Solve for x
    x = 43,286,725.07/6,745.78
  6. Step 6: Final answer
    x = 6,416.86

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1.5x scale

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.