Home / 5,186.05-7,779.04-3,106.64

Finding the Fourth Proportional to 5,186.05, 7,779.04 and 3,106.64

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Solution

The fourth proportional to 5,186.05, 7,779.04 and 3,106.64 is: 4,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.05 : 7,779.04 = 3,106.64 : x
  2. Step 2: Convert to fraction form
    5,186.05/7,779.04 = 3,106.64/x
  3. Step 3: Cross multiply
    5,186.05x = 7,779.04 × 3,106.64
  4. Step 4: Simplify right side
    5,186.05x = 24,166,661.29
  5. Step 5: Solve for x
    x = 24,166,661.29/5,186.05
  6. Step 6: Final answer
    x = 4,659.94

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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.