Home / 7,636.94-10,539.42-4,280.85

Finding the Fourth Proportional to 7,636.94, 10,539.42 and 4,280.85

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Solution

The fourth proportional to 7,636.94, 10,539.42 and 4,280.85 is: 5,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.94 : 10,539.42 = 4,280.85 : x
  2. Step 2: Convert to fraction form
    7,636.94/10,539.42 = 4,280.85/x
  3. Step 3: Cross multiply
    7,636.94x = 10,539.42 × 4,280.85
  4. Step 4: Simplify right side
    7,636.94x = 45,117,660.05
  5. Step 5: Solve for x
    x = 45,117,660.05/7,636.94
  6. Step 6: Final answer
    x = 5,907.82

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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.