Home / 7,091.18-10,636.13-2,161.98

Finding the Fourth Proportional to 7,091.18, 10,636.13 and 2,161.98

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Solution

The fourth proportional to 7,091.18, 10,636.13 and 2,161.98 is: 3,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.18 : 10,636.13 = 2,161.98 : x
  2. Step 2: Convert to fraction form
    7,091.18/10,636.13 = 2,161.98/x
  3. Step 3: Cross multiply
    7,091.18x = 10,636.13 × 2,161.98
  4. Step 4: Simplify right side
    7,091.18x = 22,995,100.34
  5. Step 5: Solve for x
    x = 22,995,100.34/7,091.18
  6. Step 6: Final answer
    x = 3,242.77

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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.