Home / 7,608.06-11,415.69-2,678.81

Finding the Fourth Proportional to 7,608.06, 11,415.69 and 2,678.81

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Solution

The fourth proportional to 7,608.06, 11,415.69 and 2,678.81 is: 4,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.06 : 11,415.69 = 2,678.81 : x
  2. Step 2: Convert to fraction form
    7,608.06/11,415.69 = 2,678.81/x
  3. Step 3: Cross multiply
    7,608.06x = 11,415.69 × 2,678.81
  4. Step 4: Simplify right side
    7,608.06x = 30,580,407.45
  5. Step 5: Solve for x
    x = 30,580,407.45/7,608.06
  6. Step 6: Final answer
    x = 4,019.48

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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.