Home / 6,868.84-10,299.90-4,789.84

Finding the Fourth Proportional to 6,868.84, 10,299.90 and 4,789.84

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Solution

The fourth proportional to 6,868.84, 10,299.90 and 4,789.84 is: 7,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.84 : 10,299.90 = 4,789.84 : x
  2. Step 2: Convert to fraction form
    6,868.84/10,299.90 = 4,789.84/x
  3. Step 3: Cross multiply
    6,868.84x = 10,299.90 × 4,789.84
  4. Step 4: Simplify right side
    6,868.84x = 49,334,873.02
  5. Step 5: Solve for x
    x = 49,334,873.02/6,868.84
  6. Step 6: Final answer
    x = 7,182.42

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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.