Home / 8,172.09-12,258.44-2,624.70

Finding the Fourth Proportional to 8,172.09, 12,258.44 and 2,624.70

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Solution

The fourth proportional to 8,172.09, 12,258.44 and 2,624.70 is: 3,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.09 : 12,258.44 = 2,624.70 : x
  2. Step 2: Convert to fraction form
    8,172.09/12,258.44 = 2,624.70/x
  3. Step 3: Cross multiply
    8,172.09x = 12,258.44 × 2,624.70
  4. Step 4: Simplify right side
    8,172.09x = 32,174,770.16
  5. Step 5: Solve for x
    x = 32,174,770.16/8,172.09
  6. Step 6: Final answer
    x = 3,937.15

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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.