Home / 4,172.20-6,258.14-1,865.32

Finding the Fourth Proportional to 4,172.20, 6,258.14 and 1,865.32

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Solution

The fourth proportional to 4,172.20, 6,258.14 and 1,865.32 is: 2,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.20 : 6,258.14 = 1,865.32 : x
  2. Step 2: Convert to fraction form
    4,172.20/6,258.14 = 1,865.32/x
  3. Step 3: Cross multiply
    4,172.20x = 6,258.14 × 1,865.32
  4. Step 4: Simplify right side
    4,172.20x = 11,673,433.70
  5. Step 5: Solve for x
    x = 11,673,433.70/4,172.20
  6. Step 6: Final answer
    x = 2,797.91

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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.