Home / 6,878.37-10,320.99-2,932.20

Finding the Fourth Proportional to 6,878.37, 10,320.99 and 2,932.20

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Solution

The fourth proportional to 6,878.37, 10,320.99 and 2,932.20 is: 4,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.37 : 10,320.99 = 2,932.20 : x
  2. Step 2: Convert to fraction form
    6,878.37/10,320.99 = 2,932.20/x
  3. Step 3: Cross multiply
    6,878.37x = 10,320.99 × 2,932.20
  4. Step 4: Simplify right side
    6,878.37x = 30,263,206.88
  5. Step 5: Solve for x
    x = 30,263,206.88/6,878.37
  6. Step 6: Final answer
    x = 4,399.76

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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.