Home / 7,388.69-10,195.39-4,201.45

Finding the Fourth Proportional to 7,388.69, 10,195.39 and 4,201.45

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Solution

The fourth proportional to 7,388.69, 10,195.39 and 4,201.45 is: 5,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.69 : 10,195.39 = 4,201.45 : x
  2. Step 2: Convert to fraction form
    7,388.69/10,195.39 = 4,201.45/x
  3. Step 3: Cross multiply
    7,388.69x = 10,195.39 × 4,201.45
  4. Step 4: Simplify right side
    7,388.69x = 42,835,421.32
  5. Step 5: Solve for x
    x = 42,835,421.32/7,388.69
  6. Step 6: Final answer
    x = 5,797.43

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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.