Home / 8,158.51-12,243.92-3,779.04

Finding the Fourth Proportional to 8,158.51, 12,243.92 and 3,779.04

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Solution

The fourth proportional to 8,158.51, 12,243.92 and 3,779.04 is: 5,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.51 : 12,243.92 = 3,779.04 : x
  2. Step 2: Convert to fraction form
    8,158.51/12,243.92 = 3,779.04/x
  3. Step 3: Cross multiply
    8,158.51x = 12,243.92 × 3,779.04
  4. Step 4: Simplify right side
    8,158.51x = 46,270,263.44
  5. Step 5: Solve for x
    x = 46,270,263.44/8,158.51
  6. Step 6: Final answer
    x = 5,671.41

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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.