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Finding the Fourth Proportional to 6,907.95, 10,350.99 and 5,351.67

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Solution

The fourth proportional to 6,907.95, 10,350.99 and 5,351.67 is: 8,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.95 : 10,350.99 = 5,351.67 : x
  2. Step 2: Convert to fraction form
    6,907.95/10,350.99 = 5,351.67/x
  3. Step 3: Cross multiply
    6,907.95x = 10,350.99 × 5,351.67
  4. Step 4: Simplify right side
    6,907.95x = 55,395,082.65
  5. Step 5: Solve for x
    x = 55,395,082.65/6,907.95
  6. Step 6: Final answer
    x = 8,019.03

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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.