Home / 4,136.80-6,205.08-1,363.60

Finding the Fourth Proportional to 4,136.80, 6,205.08 and 1,363.60

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Solution

The fourth proportional to 4,136.80, 6,205.08 and 1,363.60 is: 2,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.80 : 6,205.08 = 1,363.60 : x
  2. Step 2: Convert to fraction form
    4,136.80/6,205.08 = 1,363.60/x
  3. Step 3: Cross multiply
    4,136.80x = 6,205.08 × 1,363.60
  4. Step 4: Simplify right side
    4,136.80x = 8,461,247.09
  5. Step 5: Solve for x
    x = 8,461,247.09/4,136.80
  6. Step 6: Final answer
    x = 2,045.36

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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.