Home / 5,213.11-7,819.59-1,264.33

Finding the Fourth Proportional to 5,213.11, 7,819.59 and 1,264.33

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Solution

The fourth proportional to 5,213.11, 7,819.59 and 1,264.33 is: 1,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.11 : 7,819.59 = 1,264.33 : x
  2. Step 2: Convert to fraction form
    5,213.11/7,819.59 = 1,264.33/x
  3. Step 3: Cross multiply
    5,213.11x = 7,819.59 × 1,264.33
  4. Step 4: Simplify right side
    5,213.11x = 9,886,542.22
  5. Step 5: Solve for x
    x = 9,886,542.22/5,213.11
  6. Step 6: Final answer
    x = 1,896.48

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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.