Home / 8,172.22-12,258.33-2,328.85

Finding the Fourth Proportional to 8,172.22, 12,258.33 and 2,328.85

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Solution

The fourth proportional to 8,172.22, 12,258.33 and 2,328.85 is: 3,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.22 : 12,258.33 = 2,328.85 : x
  2. Step 2: Convert to fraction form
    8,172.22/12,258.33 = 2,328.85/x
  3. Step 3: Cross multiply
    8,172.22x = 12,258.33 × 2,328.85
  4. Step 4: Simplify right side
    8,172.22x = 28,547,744.71
  5. Step 5: Solve for x
    x = 28,547,744.71/8,172.22
  6. Step 6: Final answer
    x = 3,493.27

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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.