Home / 5,618.00-7,755.47-3,259.68

Finding the Fourth Proportional to 5,618.00, 7,755.47 and 3,259.68

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Solution

The fourth proportional to 5,618.00, 7,755.47 and 3,259.68 is: 4,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.00 : 7,755.47 = 3,259.68 : x
  2. Step 2: Convert to fraction form
    5,618.00/7,755.47 = 3,259.68/x
  3. Step 3: Cross multiply
    5,618.00x = 7,755.47 × 3,259.68
  4. Step 4: Simplify right side
    5,618.00x = 25,280,334.15
  5. Step 5: Solve for x
    x = 25,280,334.15/5,618.00
  6. Step 6: Final answer
    x = 4,499.89

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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.