Home / 4,421.56-6,631.62-1,499.80

Finding the Fourth Proportional to 4,421.56, 6,631.62 and 1,499.80

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Solution

The fourth proportional to 4,421.56, 6,631.62 and 1,499.80 is: 2,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.56 : 6,631.62 = 1,499.80 : x
  2. Step 2: Convert to fraction form
    4,421.56/6,631.62 = 1,499.80/x
  3. Step 3: Cross multiply
    4,421.56x = 6,631.62 × 1,499.80
  4. Step 4: Simplify right side
    4,421.56x = 9,946,103.68
  5. Step 5: Solve for x
    x = 9,946,103.68/4,421.56
  6. Step 6: Final answer
    x = 2,249.46

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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.