Home / 6,779.84-10,170.70-2,100.22

Finding the Fourth Proportional to 6,779.84, 10,170.70 and 2,100.22

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Solution

The fourth proportional to 6,779.84, 10,170.70 and 2,100.22 is: 3,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.84 : 10,170.70 = 2,100.22 : x
  2. Step 2: Convert to fraction form
    6,779.84/10,170.70 = 2,100.22/x
  3. Step 3: Cross multiply
    6,779.84x = 10,170.70 × 2,100.22
  4. Step 4: Simplify right side
    6,779.84x = 21,360,707.55
  5. Step 5: Solve for x
    x = 21,360,707.55/6,779.84
  6. Step 6: Final answer
    x = 3,150.62

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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.