Home / 4,912.84-6,779.50-2,674.72

Finding the Fourth Proportional to 4,912.84, 6,779.50 and 2,674.72

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Solution

The fourth proportional to 4,912.84, 6,779.50 and 2,674.72 is: 3,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.84 : 6,779.50 = 2,674.72 : x
  2. Step 2: Convert to fraction form
    4,912.84/6,779.50 = 2,674.72/x
  3. Step 3: Cross multiply
    4,912.84x = 6,779.50 × 2,674.72
  4. Step 4: Simplify right side
    4,912.84x = 18,133,264.24
  5. Step 5: Solve for x
    x = 18,133,264.24/4,912.84
  6. Step 6: Final answer
    x = 3,690.99

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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.