Home / 7,369.85-10,170.63-4,012.80

Finding the Fourth Proportional to 7,369.85, 10,170.63 and 4,012.80

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Solution

The fourth proportional to 7,369.85, 10,170.63 and 4,012.80 is: 5,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.85 : 10,170.63 = 4,012.80 : x
  2. Step 2: Convert to fraction form
    7,369.85/10,170.63 = 4,012.80/x
  3. Step 3: Cross multiply
    7,369.85x = 10,170.63 × 4,012.80
  4. Step 4: Simplify right side
    7,369.85x = 40,812,704.06
  5. Step 5: Solve for x
    x = 40,812,704.06/7,369.85
  6. Step 6: Final answer
    x = 5,537.79

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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.