Home / 4,721.42-7,079.37-2,769.50

Finding the Fourth Proportional to 4,721.42, 7,079.37 and 2,769.50

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Solution

The fourth proportional to 4,721.42, 7,079.37 and 2,769.50 is: 4,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.42 : 7,079.37 = 2,769.50 : x
  2. Step 2: Convert to fraction form
    4,721.42/7,079.37 = 2,769.50/x
  3. Step 3: Cross multiply
    4,721.42x = 7,079.37 × 2,769.50
  4. Step 4: Simplify right side
    4,721.42x = 19,606,315.22
  5. Step 5: Solve for x
    x = 19,606,315.22/4,721.42
  6. Step 6: Final answer
    x = 4,152.63

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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.