Home / 8,746.06-13,119.03-2,172.19

Finding the Fourth Proportional to 8,746.06, 13,119.03 and 2,172.19

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Solution

The fourth proportional to 8,746.06, 13,119.03 and 2,172.19 is: 3,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.06 : 13,119.03 = 2,172.19 : x
  2. Step 2: Convert to fraction form
    8,746.06/13,119.03 = 2,172.19/x
  3. Step 3: Cross multiply
    8,746.06x = 13,119.03 × 2,172.19
  4. Step 4: Simplify right side
    8,746.06x = 28,497,025.78
  5. Step 5: Solve for x
    x = 28,497,025.78/8,746.06
  6. Step 6: Final answer
    x = 3,258.27

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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.