Home / 7,784.43-11,678.37-2,237.35

Finding the Fourth Proportional to 7,784.43, 11,678.37 and 2,237.35

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Solution

The fourth proportional to 7,784.43, 11,678.37 and 2,237.35 is: 3,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.43 : 11,678.37 = 2,237.35 : x
  2. Step 2: Convert to fraction form
    7,784.43/11,678.37 = 2,237.35/x
  3. Step 3: Cross multiply
    7,784.43x = 11,678.37 × 2,237.35
  4. Step 4: Simplify right side
    7,784.43x = 26,128,601.12
  5. Step 5: Solve for x
    x = 26,128,601.12/7,784.43
  6. Step 6: Final answer
    x = 3,356.52

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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.