Home / 7,777.49-11,668.05-2,583.36

Finding the Fourth Proportional to 7,777.49, 11,668.05 and 2,583.36

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Solution

The fourth proportional to 7,777.49, 11,668.05 and 2,583.36 is: 3,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.49 : 11,668.05 = 2,583.36 : x
  2. Step 2: Convert to fraction form
    7,777.49/11,668.05 = 2,583.36/x
  3. Step 3: Cross multiply
    7,777.49x = 11,668.05 × 2,583.36
  4. Step 4: Simplify right side
    7,777.49x = 30,142,773.65
  5. Step 5: Solve for x
    x = 30,142,773.65/7,777.49
  6. Step 6: Final answer
    x = 3,875.64

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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.