Home / 4,136.52-6,205.23-1,215.30

Finding the Fourth Proportional to 4,136.52, 6,205.23 and 1,215.30

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Solution

The fourth proportional to 4,136.52, 6,205.23 and 1,215.30 is: 1,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.52 : 6,205.23 = 1,215.30 : x
  2. Step 2: Convert to fraction form
    4,136.52/6,205.23 = 1,215.30/x
  3. Step 3: Cross multiply
    4,136.52x = 6,205.23 × 1,215.30
  4. Step 4: Simplify right side
    4,136.52x = 7,541,216.02
  5. Step 5: Solve for x
    x = 7,541,216.02/4,136.52
  6. Step 6: Final answer
    x = 1,823.08

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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.