Home / 8,291.48-11,441.58-4,755.80

Finding the Fourth Proportional to 8,291.48, 11,441.58 and 4,755.80

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Solution

The fourth proportional to 8,291.48, 11,441.58 and 4,755.80 is: 6,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.48 : 11,441.58 = 4,755.80 : x
  2. Step 2: Convert to fraction form
    8,291.48/11,441.58 = 4,755.80/x
  3. Step 3: Cross multiply
    8,291.48x = 11,441.58 × 4,755.80
  4. Step 4: Simplify right side
    8,291.48x = 54,413,866.16
  5. Step 5: Solve for x
    x = 54,413,866.16/8,291.48
  6. Step 6: Final answer
    x = 6,562.62

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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.