Home / 7,269.09-10,904.76-3,109.14

Finding the Fourth Proportional to 7,269.09, 10,904.76 and 3,109.14

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Solution

The fourth proportional to 7,269.09, 10,904.76 and 3,109.14 is: 4,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.09 : 10,904.76 = 3,109.14 : x
  2. Step 2: Convert to fraction form
    7,269.09/10,904.76 = 3,109.14/x
  3. Step 3: Cross multiply
    7,269.09x = 10,904.76 × 3,109.14
  4. Step 4: Simplify right side
    7,269.09x = 33,904,425.51
  5. Step 5: Solve for x
    x = 33,904,425.51/7,269.09
  6. Step 6: Final answer
    x = 4,664.19

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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.