Home / 7,782.48-11,666.70-2,848.64

Finding the Fourth Proportional to 7,782.48, 11,666.70 and 2,848.64

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Solution

The fourth proportional to 7,782.48, 11,666.70 and 2,848.64 is: 4,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.48 : 11,666.70 = 2,848.64 : x
  2. Step 2: Convert to fraction form
    7,782.48/11,666.70 = 2,848.64/x
  3. Step 3: Cross multiply
    7,782.48x = 11,666.70 × 2,848.64
  4. Step 4: Simplify right side
    7,782.48x = 33,234,169.95
  5. Step 5: Solve for x
    x = 33,234,169.95/7,782.48
  6. Step 6: Final answer
    x = 4,270.38

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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.