Home / 7,903.22-11,861.15-3,954.32

Finding the Fourth Proportional to 7,903.22, 11,861.15 and 3,954.32

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Solution

The fourth proportional to 7,903.22, 11,861.15 and 3,954.32 is: 5,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.22 : 11,861.15 = 3,954.32 : x
  2. Step 2: Convert to fraction form
    7,903.22/11,861.15 = 3,954.32/x
  3. Step 3: Cross multiply
    7,903.22x = 11,861.15 × 3,954.32
  4. Step 4: Simplify right side
    7,903.22x = 46,902,703.59
  5. Step 5: Solve for x
    x = 46,902,703.59/7,903.22
  6. Step 6: Final answer
    x = 5,934.64

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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.