Home / 6,928.59-10,388.70-2,769.24

Finding the Fourth Proportional to 6,928.59, 10,388.70 and 2,769.24

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Solution

The fourth proportional to 6,928.59, 10,388.70 and 2,769.24 is: 4,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.59 : 10,388.70 = 2,769.24 : x
  2. Step 2: Convert to fraction form
    6,928.59/10,388.70 = 2,769.24/x
  3. Step 3: Cross multiply
    6,928.59x = 10,388.70 × 2,769.24
  4. Step 4: Simplify right side
    6,928.59x = 28,768,803.59
  5. Step 5: Solve for x
    x = 28,768,803.59/6,928.59
  6. Step 6: Final answer
    x = 4,152.19

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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.