Home / 6,107.60-9,161.40-2,211.50

Finding the Fourth Proportional to 6,107.60, 9,161.40 and 2,211.50

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Solution

The fourth proportional to 6,107.60, 9,161.40 and 2,211.50 is: 3,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.60 : 9,161.40 = 2,211.50 : x
  2. Step 2: Convert to fraction form
    6,107.60/9,161.40 = 2,211.50/x
  3. Step 3: Cross multiply
    6,107.60x = 9,161.40 × 2,211.50
  4. Step 4: Simplify right side
    6,107.60x = 20,260,436.10
  5. Step 5: Solve for x
    x = 20,260,436.10/6,107.60
  6. Step 6: Final answer
    x = 3,317.25

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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.