Home / 7,187.33-10,778.03-2,746.63

Finding the Fourth Proportional to 7,187.33, 10,778.03 and 2,746.63

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Solution

The fourth proportional to 7,187.33, 10,778.03 and 2,746.63 is: 4,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.33 : 10,778.03 = 2,746.63 : x
  2. Step 2: Convert to fraction form
    7,187.33/10,778.03 = 2,746.63/x
  3. Step 3: Cross multiply
    7,187.33x = 10,778.03 × 2,746.63
  4. Step 4: Simplify right side
    7,187.33x = 29,603,260.54
  5. Step 5: Solve for x
    x = 29,603,260.54/7,187.33
  6. Step 6: Final answer
    x = 4,118.81

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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.