Home / 7,091.19-10,636.79-2,926.62

Finding the Fourth Proportional to 7,091.19, 10,636.79 and 2,926.62

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Solution

The fourth proportional to 7,091.19, 10,636.79 and 2,926.62 is: 4,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.19 : 10,636.79 = 2,926.62 : x
  2. Step 2: Convert to fraction form
    7,091.19/10,636.79 = 2,926.62/x
  3. Step 3: Cross multiply
    7,091.19x = 10,636.79 × 2,926.62
  4. Step 4: Simplify right side
    7,091.19x = 31,129,842.35
  5. Step 5: Solve for x
    x = 31,129,842.35/7,091.19
  6. Step 6: Final answer
    x = 4,389.93

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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.