Home / 6,986.88-10,483.20-2,607.84

Finding the Fourth Proportional to 6,986.88, 10,483.20 and 2,607.84

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Solution

The fourth proportional to 6,986.88, 10,483.20 and 2,607.84 is: 3,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.88 : 10,483.20 = 2,607.84 : x
  2. Step 2: Convert to fraction form
    6,986.88/10,483.20 = 2,607.84/x
  3. Step 3: Cross multiply
    6,986.88x = 10,483.20 × 2,607.84
  4. Step 4: Simplify right side
    6,986.88x = 27,338,508.29
  5. Step 5: Solve for x
    x = 27,338,508.29/6,986.88
  6. Step 6: Final answer
    x = 3,912.83

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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.