Home / 8,330.33-12,495.03-2,783.09

Finding the Fourth Proportional to 8,330.33, 12,495.03 and 2,783.09

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Solution

The fourth proportional to 8,330.33, 12,495.03 and 2,783.09 is: 4,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.33 : 12,495.03 = 2,783.09 : x
  2. Step 2: Convert to fraction form
    8,330.33/12,495.03 = 2,783.09/x
  3. Step 3: Cross multiply
    8,330.33x = 12,495.03 × 2,783.09
  4. Step 4: Simplify right side
    8,330.33x = 34,774,793.04
  5. Step 5: Solve for x
    x = 34,774,793.04/8,330.33
  6. Step 6: Final answer
    x = 4,174.48

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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.