Home / 6,623.48-9,140.54-3,639.50

Finding the Fourth Proportional to 6,623.48, 9,140.54 and 3,639.50

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Solution

The fourth proportional to 6,623.48, 9,140.54 and 3,639.50 is: 5,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.48 : 9,140.54 = 3,639.50 : x
  2. Step 2: Convert to fraction form
    6,623.48/9,140.54 = 3,639.50/x
  3. Step 3: Cross multiply
    6,623.48x = 9,140.54 × 3,639.50
  4. Step 4: Simplify right side
    6,623.48x = 33,266,995.33
  5. Step 5: Solve for x
    x = 33,266,995.33/6,623.48
  6. Step 6: Final answer
    x = 5,022.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.