Home / 4,912.04-6,779.48-2,922.68

Finding the Fourth Proportional to 4,912.04, 6,779.48 and 2,922.68

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Solution

The fourth proportional to 4,912.04, 6,779.48 and 2,922.68 is: 4,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.04 : 6,779.48 = 2,922.68 : x
  2. Step 2: Convert to fraction form
    4,912.04/6,779.48 = 2,922.68/x
  3. Step 3: Cross multiply
    4,912.04x = 6,779.48 × 2,922.68
  4. Step 4: Simplify right side
    4,912.04x = 19,814,250.61
  5. Step 5: Solve for x
    x = 19,814,250.61/4,912.04
  6. Step 6: Final answer
    x = 4,033.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.