Home / 4,518.55-6,776.45-1,231.21

Finding the Fourth Proportional to 4,518.55, 6,776.45 and 1,231.21

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Solution

The fourth proportional to 4,518.55, 6,776.45 and 1,231.21 is: 1,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.55 : 6,776.45 = 1,231.21 : x
  2. Step 2: Convert to fraction form
    4,518.55/6,776.45 = 1,231.21/x
  3. Step 3: Cross multiply
    4,518.55x = 6,776.45 × 1,231.21
  4. Step 4: Simplify right side
    4,518.55x = 8,343,233.00
  5. Step 5: Solve for x
    x = 8,343,233.00/4,518.55
  6. Step 6: Final answer
    x = 1,846.44

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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.