Home / 7,099.96-10,655.62-4,180.72

Finding the Fourth Proportional to 7,099.96, 10,655.62 and 4,180.72

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Solution

The fourth proportional to 7,099.96, 10,655.62 and 4,180.72 is: 6,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.96 : 10,655.62 = 4,180.72 : x
  2. Step 2: Convert to fraction form
    7,099.96/10,655.62 = 4,180.72/x
  3. Step 3: Cross multiply
    7,099.96x = 10,655.62 × 4,180.72
  4. Step 4: Simplify right side
    7,099.96x = 44,548,163.65
  5. Step 5: Solve for x
    x = 44,548,163.65/7,099.96
  6. Step 6: Final answer
    x = 6,274.42

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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.