Home / 7,072.44-10,612.50-2,911.80

Finding the Fourth Proportional to 7,072.44, 10,612.50 and 2,911.80

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Solution

The fourth proportional to 7,072.44, 10,612.50 and 2,911.80 is: 4,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.44 : 10,612.50 = 2,911.80 : x
  2. Step 2: Convert to fraction form
    7,072.44/10,612.50 = 2,911.80/x
  3. Step 3: Cross multiply
    7,072.44x = 10,612.50 × 2,911.80
  4. Step 4: Simplify right side
    7,072.44x = 30,901,477.50
  5. Step 5: Solve for x
    x = 30,901,477.50/7,072.44
  6. Step 6: Final answer
    x = 4,369.28

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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.