Home / 6,122.50-9,155.71-4,563.60

Finding the Fourth Proportional to 6,122.50, 9,155.71 and 4,563.60

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Solution

The fourth proportional to 6,122.50, 9,155.71 and 4,563.60 is: 6,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.50 : 9,155.71 = 4,563.60 : x
  2. Step 2: Convert to fraction form
    6,122.50/9,155.71 = 4,563.60/x
  3. Step 3: Cross multiply
    6,122.50x = 9,155.71 × 4,563.60
  4. Step 4: Simplify right side
    6,122.50x = 41,782,998.16
  5. Step 5: Solve for x
    x = 41,782,998.16/6,122.50
  6. Step 6: Final answer
    x = 6,824.50

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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.