Home / 5,110.10-7,666.80-2,511.22

Finding the Fourth Proportional to 5,110.10, 7,666.80 and 2,511.22

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Solution

The fourth proportional to 5,110.10, 7,666.80 and 2,511.22 is: 3,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.10 : 7,666.80 = 2,511.22 : x
  2. Step 2: Convert to fraction form
    5,110.10/7,666.80 = 2,511.22/x
  3. Step 3: Cross multiply
    5,110.10x = 7,666.80 × 2,511.22
  4. Step 4: Simplify right side
    5,110.10x = 19,253,021.50
  5. Step 5: Solve for x
    x = 19,253,021.50/5,110.10
  6. Step 6: Final answer
    x = 3,767.64

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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.