Home / 8,911.22-12,297.30-4,932.10

Finding the Fourth Proportional to 8,911.22, 12,297.30 and 4,932.10

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Solution

The fourth proportional to 8,911.22, 12,297.30 and 4,932.10 is: 6,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.22 : 12,297.30 = 4,932.10 : x
  2. Step 2: Convert to fraction form
    8,911.22/12,297.30 = 4,932.10/x
  3. Step 3: Cross multiply
    8,911.22x = 12,297.30 × 4,932.10
  4. Step 4: Simplify right side
    8,911.22x = 60,651,451.84
  5. Step 5: Solve for x
    x = 60,651,451.84/8,911.22
  6. Step 6: Final answer
    x = 6,806.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.