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Finding the Fourth Proportional to 6,659.02, 9,975.16 and 3,317.20

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Solution

The fourth proportional to 6,659.02, 9,975.16 and 3,317.20 is: 4,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.02 : 9,975.16 = 3,317.20 : x
  2. Step 2: Convert to fraction form
    6,659.02/9,975.16 = 3,317.20/x
  3. Step 3: Cross multiply
    6,659.02x = 9,975.16 × 3,317.20
  4. Step 4: Simplify right side
    6,659.02x = 33,089,600.75
  5. Step 5: Solve for x
    x = 33,089,600.75/6,659.02
  6. Step 6: Final answer
    x = 4,969.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.