Home / 4,891.36-7,334.16-1,769.92

Finding the Fourth Proportional to 4,891.36, 7,334.16 and 1,769.92

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Solution

The fourth proportional to 4,891.36, 7,334.16 and 1,769.92 is: 2,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.36 : 7,334.16 = 1,769.92 : x
  2. Step 2: Convert to fraction form
    4,891.36/7,334.16 = 1,769.92/x
  3. Step 3: Cross multiply
    4,891.36x = 7,334.16 × 1,769.92
  4. Step 4: Simplify right side
    4,891.36x = 12,980,876.47
  5. Step 5: Solve for x
    x = 12,980,876.47/4,891.36
  6. Step 6: Final answer
    x = 2,653.84

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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.