Home / 7,091.34-10,636.20-1,897.62

Finding the Fourth Proportional to 7,091.34, 10,636.20 and 1,897.62

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Solution

The fourth proportional to 7,091.34, 10,636.20 and 1,897.62 is: 2,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.34 : 10,636.20 = 1,897.62 : x
  2. Step 2: Convert to fraction form
    7,091.34/10,636.20 = 1,897.62/x
  3. Step 3: Cross multiply
    7,091.34x = 10,636.20 × 1,897.62
  4. Step 4: Simplify right side
    7,091.34x = 20,183,497.18
  5. Step 5: Solve for x
    x = 20,183,497.18/7,091.34
  6. Step 6: Final answer
    x = 2,846.22

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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.