Home / 5,484.45-8,228.70-1,786.80

Finding the Fourth Proportional to 5,484.45, 8,228.70 and 1,786.80

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Solution

The fourth proportional to 5,484.45, 8,228.70 and 1,786.80 is: 2,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.45 : 8,228.70 = 1,786.80 : x
  2. Step 2: Convert to fraction form
    5,484.45/8,228.70 = 1,786.80/x
  3. Step 3: Cross multiply
    5,484.45x = 8,228.70 × 1,786.80
  4. Step 4: Simplify right side
    5,484.45x = 14,703,041.16
  5. Step 5: Solve for x
    x = 14,703,041.16/5,484.45
  6. Step 6: Final answer
    x = 2,680.86

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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.