Home / 4,147.88-6,222.18-1,186.38

Finding the Fourth Proportional to 4,147.88, 6,222.18 and 1,186.38

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Solution

The fourth proportional to 4,147.88, 6,222.18 and 1,186.38 is: 1,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.88 : 6,222.18 = 1,186.38 : x
  2. Step 2: Convert to fraction form
    4,147.88/6,222.18 = 1,186.38/x
  3. Step 3: Cross multiply
    4,147.88x = 6,222.18 × 1,186.38
  4. Step 4: Simplify right side
    4,147.88x = 7,381,869.91
  5. Step 5: Solve for x
    x = 7,381,869.91/4,147.88
  6. Step 6: Final answer
    x = 1,779.67

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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.