Home / 6,986.76-10,477.44-2,825.70

Finding the Fourth Proportional to 6,986.76, 10,477.44 and 2,825.70

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Solution

The fourth proportional to 6,986.76, 10,477.44 and 2,825.70 is: 4,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.76 : 10,477.44 = 2,825.70 : x
  2. Step 2: Convert to fraction form
    6,986.76/10,477.44 = 2,825.70/x
  3. Step 3: Cross multiply
    6,986.76x = 10,477.44 × 2,825.70
  4. Step 4: Simplify right side
    6,986.76x = 29,606,102.21
  5. Step 5: Solve for x
    x = 29,606,102.21/6,986.76
  6. Step 6: Final answer
    x = 4,237.46

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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.