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Finding the Fourth Proportional to 5,788.00, 7,987.60 and 3,270.22

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Solution

The fourth proportional to 5,788.00, 7,987.60 and 3,270.22 is: 4,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.00 : 7,987.60 = 3,270.22 : x
  2. Step 2: Convert to fraction form
    5,788.00/7,987.60 = 3,270.22/x
  3. Step 3: Cross multiply
    5,788.00x = 7,987.60 × 3,270.22
  4. Step 4: Simplify right side
    5,788.00x = 26,121,178.41
  5. Step 5: Solve for x
    x = 26,121,178.41/5,788.00
  6. Step 6: Final answer
    x = 4,512.99

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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.