Home / 8,160.48-11,259.14-4,623.62

Finding the Fourth Proportional to 8,160.48, 11,259.14 and 4,623.62

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Solution

The fourth proportional to 8,160.48, 11,259.14 and 4,623.62 is: 6,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.48 : 11,259.14 = 4,623.62 : x
  2. Step 2: Convert to fraction form
    8,160.48/11,259.14 = 4,623.62/x
  3. Step 3: Cross multiply
    8,160.48x = 11,259.14 × 4,623.62
  4. Step 4: Simplify right side
    8,160.48x = 52,057,905.47
  5. Step 5: Solve for x
    x = 52,057,905.47/8,160.48
  6. Step 6: Final answer
    x = 6,379.27

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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.