Home / 5,021.30-7,530.60-1,511.30

Finding the Fourth Proportional to 5,021.30, 7,530.60 and 1,511.30

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Solution

The fourth proportional to 5,021.30, 7,530.60 and 1,511.30 is: 2,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.30 : 7,530.60 = 1,511.30 : x
  2. Step 2: Convert to fraction form
    5,021.30/7,530.60 = 1,511.30/x
  3. Step 3: Cross multiply
    5,021.30x = 7,530.60 × 1,511.30
  4. Step 4: Simplify right side
    5,021.30x = 11,380,995.78
  5. Step 5: Solve for x
    x = 11,380,995.78/5,021.30
  6. Step 6: Final answer
    x = 2,266.54

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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.