Home / 6,929.12-10,393.73-2,769.48

Finding the Fourth Proportional to 6,929.12, 10,393.73 and 2,769.48

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Solution

The fourth proportional to 6,929.12, 10,393.73 and 2,769.48 is: 4,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.12 : 10,393.73 = 2,769.48 : x
  2. Step 2: Convert to fraction form
    6,929.12/10,393.73 = 2,769.48/x
  3. Step 3: Cross multiply
    6,929.12x = 10,393.73 × 2,769.48
  4. Step 4: Simplify right side
    6,929.12x = 28,785,213.51
  5. Step 5: Solve for x
    x = 28,785,213.51/6,929.12
  6. Step 6: Final answer
    x = 4,154.24

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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.