Home / 5,986.36-8,995.74-3,215.08

Finding the Fourth Proportional to 5,986.36, 8,995.74 and 3,215.08

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Solution

The fourth proportional to 5,986.36, 8,995.74 and 3,215.08 is: 4,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.36 : 8,995.74 = 3,215.08 : x
  2. Step 2: Convert to fraction form
    5,986.36/8,995.74 = 3,215.08/x
  3. Step 3: Cross multiply
    5,986.36x = 8,995.74 × 3,215.08
  4. Step 4: Simplify right side
    5,986.36x = 28,922,023.76
  5. Step 5: Solve for x
    x = 28,922,023.76/5,986.36
  6. Step 6: Final answer
    x = 4,831.32

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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.