Home / 4,208.65-6,309.93-1,285.36

Finding the Fourth Proportional to 4,208.65, 6,309.93 and 1,285.36

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Solution

The fourth proportional to 4,208.65, 6,309.93 and 1,285.36 is: 1,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.65 : 6,309.93 = 1,285.36 : x
  2. Step 2: Convert to fraction form
    4,208.65/6,309.93 = 1,285.36/x
  3. Step 3: Cross multiply
    4,208.65x = 6,309.93 × 1,285.36
  4. Step 4: Simplify right side
    4,208.65x = 8,110,531.62
  5. Step 5: Solve for x
    x = 8,110,531.62/4,208.65
  6. Step 6: Final answer
    x = 1,927.11

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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.