Home / 8,263.01-11,396.30-6,669.20

Finding the Fourth Proportional to 8,263.01, 11,396.30 and 6,669.20

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Solution

The fourth proportional to 8,263.01, 11,396.30 and 6,669.20 is: 9,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.01 : 11,396.30 = 6,669.20 : x
  2. Step 2: Convert to fraction form
    8,263.01/11,396.30 = 6,669.20/x
  3. Step 3: Cross multiply
    8,263.01x = 11,396.30 × 6,669.20
  4. Step 4: Simplify right side
    8,263.01x = 76,004,199.10
  5. Step 5: Solve for x
    x = 76,004,199.10/8,263.01
  6. Step 6: Final answer
    x = 9,198.12

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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.