Home / 4,855.46-7,271.22-2,770.32

Finding the Fourth Proportional to 4,855.46, 7,271.22 and 2,770.32

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Solution

The fourth proportional to 4,855.46, 7,271.22 and 2,770.32 is: 4,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.46 : 7,271.22 = 2,770.32 : x
  2. Step 2: Convert to fraction form
    4,855.46/7,271.22 = 2,770.32/x
  3. Step 3: Cross multiply
    4,855.46x = 7,271.22 × 2,770.32
  4. Step 4: Simplify right side
    4,855.46x = 20,143,606.19
  5. Step 5: Solve for x
    x = 20,143,606.19/4,855.46
  6. Step 6: Final answer
    x = 4,148.65

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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.