Home / 6,744.50-10,120.70-4,270.35

Finding the Fourth Proportional to 6,744.50, 10,120.70 and 4,270.35

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Solution

The fourth proportional to 6,744.50, 10,120.70 and 4,270.35 is: 6,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.50 : 10,120.70 = 4,270.35 : x
  2. Step 2: Convert to fraction form
    6,744.50/10,120.70 = 4,270.35/x
  3. Step 3: Cross multiply
    6,744.50x = 10,120.70 × 4,270.35
  4. Step 4: Simplify right side
    6,744.50x = 43,218,931.25
  5. Step 5: Solve for x
    x = 43,218,931.25/6,744.50
  6. Step 6: Final answer
    x = 6,408.03

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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.