Home / 6,900.87-10,344.56-2,739.50

Finding the Fourth Proportional to 6,900.87, 10,344.56 and 2,739.50

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Solution

The fourth proportional to 6,900.87, 10,344.56 and 2,739.50 is: 4,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.87 : 10,344.56 = 2,739.50 : x
  2. Step 2: Convert to fraction form
    6,900.87/10,344.56 = 2,739.50/x
  3. Step 3: Cross multiply
    6,900.87x = 10,344.56 × 2,739.50
  4. Step 4: Simplify right side
    6,900.87x = 28,338,856.70
  5. Step 5: Solve for x
    x = 28,338,856.70/6,900.87
  6. Step 6: Final answer
    x = 4,106.56

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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.