Home / 7,440.39-11,160.62-1,893.77

Finding the Fourth Proportional to 7,440.39, 11,160.62 and 1,893.77

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Solution

The fourth proportional to 7,440.39, 11,160.62 and 1,893.77 is: 2,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.39 : 11,160.62 = 1,893.77 : x
  2. Step 2: Convert to fraction form
    7,440.39/11,160.62 = 1,893.77/x
  3. Step 3: Cross multiply
    7,440.39x = 11,160.62 × 1,893.77
  4. Step 4: Simplify right side
    7,440.39x = 21,135,582.07
  5. Step 5: Solve for x
    x = 21,135,582.07/7,440.39
  6. Step 6: Final answer
    x = 2,840.66

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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.