Home / 6,917.37-10,386.39-3,959.14

Finding the Fourth Proportional to 6,917.37, 10,386.39 and 3,959.14

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Solution

The fourth proportional to 6,917.37, 10,386.39 and 3,959.14 is: 5,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.37 : 10,386.39 = 3,959.14 : x
  2. Step 2: Convert to fraction form
    6,917.37/10,386.39 = 3,959.14/x
  3. Step 3: Cross multiply
    6,917.37x = 10,386.39 × 3,959.14
  4. Step 4: Simplify right side
    6,917.37x = 41,121,172.10
  5. Step 5: Solve for x
    x = 41,121,172.10/6,917.37
  6. Step 6: Final answer
    x = 5,944.63

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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.