Home / 8,803.32-13,198.70-4,120.77

Finding the Fourth Proportional to 8,803.32, 13,198.70 and 4,120.77

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Solution

The fourth proportional to 8,803.32, 13,198.70 and 4,120.77 is: 6,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.32 : 13,198.70 = 4,120.77 : x
  2. Step 2: Convert to fraction form
    8,803.32/13,198.70 = 4,120.77/x
  3. Step 3: Cross multiply
    8,803.32x = 13,198.70 × 4,120.77
  4. Step 4: Simplify right side
    8,803.32x = 54,388,807.00
  5. Step 5: Solve for x
    x = 54,388,807.00/8,803.32
  6. Step 6: Final answer
    x = 6,178.22

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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.