Home / 7,091.15-10,635.92-1,897.43

Finding the Fourth Proportional to 7,091.15, 10,635.92 and 1,897.43

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Solution

The fourth proportional to 7,091.15, 10,635.92 and 1,897.43 is: 2,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.15 : 10,635.92 = 1,897.43 : x
  2. Step 2: Convert to fraction form
    7,091.15/10,635.92 = 1,897.43/x
  3. Step 3: Cross multiply
    7,091.15x = 10,635.92 × 1,897.43
  4. Step 4: Simplify right side
    7,091.15x = 20,180,930.79
  5. Step 5: Solve for x
    x = 20,180,930.79/7,091.15
  6. Step 6: Final answer
    x = 2,845.93

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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.