Home / 6,907.76-10,364.70-3,620.07

Finding the Fourth Proportional to 6,907.76, 10,364.70 and 3,620.07

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Solution

The fourth proportional to 6,907.76, 10,364.70 and 3,620.07 is: 5,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.76 : 10,364.70 = 3,620.07 : x
  2. Step 2: Convert to fraction form
    6,907.76/10,364.70 = 3,620.07/x
  3. Step 3: Cross multiply
    6,907.76x = 10,364.70 × 3,620.07
  4. Step 4: Simplify right side
    6,907.76x = 37,520,939.53
  5. Step 5: Solve for x
    x = 37,520,939.53/6,907.76
  6. Step 6: Final answer
    x = 5,431.71

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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.