Home / 6,912.61-10,360.81-3,404.23

Finding the Fourth Proportional to 6,912.61, 10,360.81 and 3,404.23

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Solution

The fourth proportional to 6,912.61, 10,360.81 and 3,404.23 is: 5,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.61 : 10,360.81 = 3,404.23 : x
  2. Step 2: Convert to fraction form
    6,912.61/10,360.81 = 3,404.23/x
  3. Step 3: Cross multiply
    6,912.61x = 10,360.81 × 3,404.23
  4. Step 4: Simplify right side
    6,912.61x = 35,270,580.23
  5. Step 5: Solve for x
    x = 35,270,580.23/6,912.61
  6. Step 6: Final answer
    x = 5,102.35

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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.