Home / 7,738.07-10,678.53-4,201.34

Finding the Fourth Proportional to 7,738.07, 10,678.53 and 4,201.34

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Solution

The fourth proportional to 7,738.07, 10,678.53 and 4,201.34 is: 5,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.07 : 10,678.53 = 4,201.34 : x
  2. Step 2: Convert to fraction form
    7,738.07/10,678.53 = 4,201.34/x
  3. Step 3: Cross multiply
    7,738.07x = 10,678.53 × 4,201.34
  4. Step 4: Simplify right side
    7,738.07x = 44,864,097.59
  5. Step 5: Solve for x
    x = 44,864,097.59/7,738.07
  6. Step 6: Final answer
    x = 5,797.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.