Home / 6,860.14-10,288.67-4,087.60

Finding the Fourth Proportional to 6,860.14, 10,288.67 and 4,087.60

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Solution

The fourth proportional to 6,860.14, 10,288.67 and 4,087.60 is: 6,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.14 : 10,288.67 = 4,087.60 : x
  2. Step 2: Convert to fraction form
    6,860.14/10,288.67 = 4,087.60/x
  3. Step 3: Cross multiply
    6,860.14x = 10,288.67 × 4,087.60
  4. Step 4: Simplify right side
    6,860.14x = 42,055,921.33
  5. Step 5: Solve for x
    x = 42,055,921.33/6,860.14
  6. Step 6: Final answer
    x = 6,130.48

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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.