Home / 8,205.15-12,309.89-2,362.23

Finding the Fourth Proportional to 8,205.15, 12,309.89 and 2,362.23

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Solution

The fourth proportional to 8,205.15, 12,309.89 and 2,362.23 is: 3,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.15 : 12,309.89 = 2,362.23 : x
  2. Step 2: Convert to fraction form
    8,205.15/12,309.89 = 2,362.23/x
  3. Step 3: Cross multiply
    8,205.15x = 12,309.89 × 2,362.23
  4. Step 4: Simplify right side
    8,205.15x = 29,078,779.64
  5. Step 5: Solve for x
    x = 29,078,779.64/8,205.15
  6. Step 6: Final answer
    x = 3,543.97

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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.