Home / 4,423.20-6,634.74-1,136.28

Finding the Fourth Proportional to 4,423.20, 6,634.74 and 1,136.28

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Solution

The fourth proportional to 4,423.20, 6,634.74 and 1,136.28 is: 1,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.20 : 6,634.74 = 1,136.28 : x
  2. Step 2: Convert to fraction form
    4,423.20/6,634.74 = 1,136.28/x
  3. Step 3: Cross multiply
    4,423.20x = 6,634.74 × 1,136.28
  4. Step 4: Simplify right side
    4,423.20x = 7,538,922.37
  5. Step 5: Solve for x
    x = 7,538,922.37/4,423.20
  6. Step 6: Final answer
    x = 1,704.40

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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.