Home / 7,638.14-10,540.94-4,280.99

Finding the Fourth Proportional to 7,638.14, 10,540.94 and 4,280.99

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Solution

The fourth proportional to 7,638.14, 10,540.94 and 4,280.99 is: 5,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.14 : 10,540.94 = 4,280.99 : x
  2. Step 2: Convert to fraction form
    7,638.14/10,540.94 = 4,280.99/x
  3. Step 3: Cross multiply
    7,638.14x = 10,540.94 × 4,280.99
  4. Step 4: Simplify right side
    7,638.14x = 45,125,584.62
  5. Step 5: Solve for x
    x = 45,125,584.62/7,638.14
  6. Step 6: Final answer
    x = 5,907.93

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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.