Home / 7,713.35-11,567.99-2,782.07

Finding the Fourth Proportional to 7,713.35, 11,567.99 and 2,782.07

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Solution

The fourth proportional to 7,713.35, 11,567.99 and 2,782.07 is: 4,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.35 : 11,567.99 = 2,782.07 : x
  2. Step 2: Convert to fraction form
    7,713.35/11,567.99 = 2,782.07/x
  3. Step 3: Cross multiply
    7,713.35x = 11,567.99 × 2,782.07
  4. Step 4: Simplify right side
    7,713.35x = 32,182,957.94
  5. Step 5: Solve for x
    x = 32,182,957.94/7,713.35
  6. Step 6: Final answer
    x = 4,172.37

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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.