Home / 6,890.85-10,334.68-3,377.34

Finding the Fourth Proportional to 6,890.85, 10,334.68 and 3,377.34

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Solution

The fourth proportional to 6,890.85, 10,334.68 and 3,377.34 is: 5,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.85 : 10,334.68 = 3,377.34 : x
  2. Step 2: Convert to fraction form
    6,890.85/10,334.68 = 3,377.34/x
  3. Step 3: Cross multiply
    6,890.85x = 10,334.68 × 3,377.34
  4. Step 4: Simplify right side
    6,890.85x = 34,903,728.15
  5. Step 5: Solve for x
    x = 34,903,728.15/6,890.85
  6. Step 6: Final answer
    x = 5,065.23

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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.