Home / 4,912.53-6,779.29-2,674.42

Finding the Fourth Proportional to 4,912.53, 6,779.29 and 2,674.42

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Solution

The fourth proportional to 4,912.53, 6,779.29 and 2,674.42 is: 3,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.53 : 6,779.29 = 2,674.42 : x
  2. Step 2: Convert to fraction form
    4,912.53/6,779.29 = 2,674.42/x
  3. Step 3: Cross multiply
    4,912.53x = 6,779.29 × 2,674.42
  4. Step 4: Simplify right side
    4,912.53x = 18,130,662.08
  5. Step 5: Solve for x
    x = 18,130,662.08/4,912.53
  6. Step 6: Final answer
    x = 3,690.70

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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.