Home / 6,877.36-10,311.44-3,177.56

Finding the Fourth Proportional to 6,877.36, 10,311.44 and 3,177.56

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Solution

The fourth proportional to 6,877.36, 10,311.44 and 3,177.56 is: 4,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.36 : 10,311.44 = 3,177.56 : x
  2. Step 2: Convert to fraction form
    6,877.36/10,311.44 = 3,177.56/x
  3. Step 3: Cross multiply
    6,877.36x = 10,311.44 × 3,177.56
  4. Step 4: Simplify right side
    6,877.36x = 32,765,219.29
  5. Step 5: Solve for x
    x = 32,765,219.29/6,877.36
  6. Step 6: Final answer
    x = 4,764.21

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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.