Home / 4,136.79-6,205.10-1,215.03

Finding the Fourth Proportional to 4,136.79, 6,205.10 and 1,215.03

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Solution

The fourth proportional to 4,136.79, 6,205.10 and 1,215.03 is: 1,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.79 : 6,205.10 = 1,215.03 : x
  2. Step 2: Convert to fraction form
    4,136.79/6,205.10 = 1,215.03/x
  3. Step 3: Cross multiply
    4,136.79x = 6,205.10 × 1,215.03
  4. Step 4: Simplify right side
    4,136.79x = 7,539,382.65
  5. Step 5: Solve for x
    x = 7,539,382.65/4,136.79
  6. Step 6: Final answer
    x = 1,822.52

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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.