Home / 6,790.11-10,186.76-2,109.89

Finding the Fourth Proportional to 6,790.11, 10,186.76 and 2,109.89

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Solution

The fourth proportional to 6,790.11, 10,186.76 and 2,109.89 is: 3,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.11 : 10,186.76 = 2,109.89 : x
  2. Step 2: Convert to fraction form
    6,790.11/10,186.76 = 2,109.89/x
  3. Step 3: Cross multiply
    6,790.11x = 10,186.76 × 2,109.89
  4. Step 4: Simplify right side
    6,790.11x = 21,492,881.57
  5. Step 5: Solve for x
    x = 21,492,881.57/6,790.11
  6. Step 6: Final answer
    x = 3,165.32

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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.