Home / 7,440.60-11,160.97-1,893.95

Finding the Fourth Proportional to 7,440.60, 11,160.97 and 1,893.95

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Solution

The fourth proportional to 7,440.60, 11,160.97 and 1,893.95 is: 2,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.60 : 11,160.97 = 1,893.95 : x
  2. Step 2: Convert to fraction form
    7,440.60/11,160.97 = 1,893.95/x
  3. Step 3: Cross multiply
    7,440.60x = 11,160.97 × 1,893.95
  4. Step 4: Simplify right side
    7,440.60x = 21,138,373.88
  5. Step 5: Solve for x
    x = 21,138,373.88/7,440.60
  6. Step 6: Final answer
    x = 2,840.95

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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.