Home / 5,317.60-7,975.05-2,195.05

Finding the Fourth Proportional to 5,317.60, 7,975.05 and 2,195.05

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Solution

The fourth proportional to 5,317.60, 7,975.05 and 2,195.05 is: 3,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.60 : 7,975.05 = 2,195.05 : x
  2. Step 2: Convert to fraction form
    5,317.60/7,975.05 = 2,195.05/x
  3. Step 3: Cross multiply
    5,317.60x = 7,975.05 × 2,195.05
  4. Step 4: Simplify right side
    5,317.60x = 17,505,633.50
  5. Step 5: Solve for x
    x = 17,505,633.50/5,317.60
  6. Step 6: Final answer
    x = 3,292.02

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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.