Home / 6,763.06-10,129.47-3,910.05

Finding the Fourth Proportional to 6,763.06, 10,129.47 and 3,910.05

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Solution

The fourth proportional to 6,763.06, 10,129.47 and 3,910.05 is: 5,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.06 : 10,129.47 = 3,910.05 : x
  2. Step 2: Convert to fraction form
    6,763.06/10,129.47 = 3,910.05/x
  3. Step 3: Cross multiply
    6,763.06x = 10,129.47 × 3,910.05
  4. Step 4: Simplify right side
    6,763.06x = 39,606,734.17
  5. Step 5: Solve for x
    x = 39,606,734.17/6,763.06
  6. Step 6: Final answer
    x = 5,856.33

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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.