Home / 6,918.16-10,371.44-3,019.60

Finding the Fourth Proportional to 6,918.16, 10,371.44 and 3,019.60

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Solution

The fourth proportional to 6,918.16, 10,371.44 and 3,019.60 is: 4,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.16 : 10,371.44 = 3,019.60 : x
  2. Step 2: Convert to fraction form
    6,918.16/10,371.44 = 3,019.60/x
  3. Step 3: Cross multiply
    6,918.16x = 10,371.44 × 3,019.60
  4. Step 4: Simplify right side
    6,918.16x = 31,317,600.22
  5. Step 5: Solve for x
    x = 31,317,600.22/6,918.16
  6. Step 6: Final answer
    x = 4,526.87

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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.