Home / 5,919.44-8,172.72-4,572.60

Finding the Fourth Proportional to 5,919.44, 8,172.72 and 4,572.60

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Solution

The fourth proportional to 5,919.44, 8,172.72 and 4,572.60 is: 6,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.44 : 8,172.72 = 4,572.60 : x
  2. Step 2: Convert to fraction form
    5,919.44/8,172.72 = 4,572.60/x
  3. Step 3: Cross multiply
    5,919.44x = 8,172.72 × 4,572.60
  4. Step 4: Simplify right side
    5,919.44x = 37,370,579.47
  5. Step 5: Solve for x
    x = 37,370,579.47/5,919.44
  6. Step 6: Final answer
    x = 6,313.20

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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.