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Finding the Fourth Proportional to 6,533.51, 9,013.23 and 3,879.41

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Solution

The fourth proportional to 6,533.51, 9,013.23 and 3,879.41 is: 5,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,533.51 : 9,013.23 = 3,879.41 : x
  2. Step 2: Convert to fraction form
    6,533.51/9,013.23 = 3,879.41/x
  3. Step 3: Cross multiply
    6,533.51x = 9,013.23 × 3,879.41
  4. Step 4: Simplify right side
    6,533.51x = 34,966,014.59
  5. Step 5: Solve for x
    x = 34,966,014.59/6,533.51
  6. Step 6: Final answer
    x = 5,351.80

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1.5x scale

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.