Home / 8,300.11-11,448.30-4,940.34

Finding the Fourth Proportional to 8,300.11, 11,448.30 and 4,940.34

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Solution

The fourth proportional to 8,300.11, 11,448.30 and 4,940.34 is: 6,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.11 : 11,448.30 = 4,940.34 : x
  2. Step 2: Convert to fraction form
    8,300.11/11,448.30 = 4,940.34/x
  3. Step 3: Cross multiply
    8,300.11x = 11,448.30 × 4,940.34
  4. Step 4: Simplify right side
    8,300.11x = 56,558,494.42
  5. Step 5: Solve for x
    x = 56,558,494.42/8,300.11
  6. Step 6: Final answer
    x = 6,814.19

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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.