Home / 4,857.86-7,275.84-2,905.96

Finding the Fourth Proportional to 4,857.86, 7,275.84 and 2,905.96

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Solution

The fourth proportional to 4,857.86, 7,275.84 and 2,905.96 is: 4,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.86 : 7,275.84 = 2,905.96 : x
  2. Step 2: Convert to fraction form
    4,857.86/7,275.84 = 2,905.96/x
  3. Step 3: Cross multiply
    4,857.86x = 7,275.84 × 2,905.96
  4. Step 4: Simplify right side
    4,857.86x = 21,143,300.01
  5. Step 5: Solve for x
    x = 21,143,300.01/4,857.86
  6. Step 6: Final answer
    x = 4,352.39

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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.