Home / 6,868.87-10,303.31-2,485.30

Finding the Fourth Proportional to 6,868.87, 10,303.31 and 2,485.30

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Solution

The fourth proportional to 6,868.87, 10,303.31 and 2,485.30 is: 3,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.87 : 10,303.31 = 2,485.30 : x
  2. Step 2: Convert to fraction form
    6,868.87/10,303.31 = 2,485.30/x
  3. Step 3: Cross multiply
    6,868.87x = 10,303.31 × 2,485.30
  4. Step 4: Simplify right side
    6,868.87x = 25,606,752.40
  5. Step 5: Solve for x
    x = 25,606,752.40/6,868.87
  6. Step 6: Final answer
    x = 3,727.95

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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.