Home / 6,868.70-10,303.80-2,187.06

Finding the Fourth Proportional to 6,868.70, 10,303.80 and 2,187.06

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Solution

The fourth proportional to 6,868.70, 10,303.80 and 2,187.06 is: 3,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.70 : 10,303.80 = 2,187.06 : x
  2. Step 2: Convert to fraction form
    6,868.70/10,303.80 = 2,187.06/x
  3. Step 3: Cross multiply
    6,868.70x = 10,303.80 × 2,187.06
  4. Step 4: Simplify right side
    6,868.70x = 22,535,028.83
  5. Step 5: Solve for x
    x = 22,535,028.83/6,868.70
  6. Step 6: Final answer
    x = 3,280.83

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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.