Home / 8,021.30-12,032.56-2,475.21

Finding the Fourth Proportional to 8,021.30, 12,032.56 and 2,475.21

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Solution

The fourth proportional to 8,021.30, 12,032.56 and 2,475.21 is: 3,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.30 : 12,032.56 = 2,475.21 : x
  2. Step 2: Convert to fraction form
    8,021.30/12,032.56 = 2,475.21/x
  3. Step 3: Cross multiply
    8,021.30x = 12,032.56 × 2,475.21
  4. Step 4: Simplify right side
    8,021.30x = 29,783,112.84
  5. Step 5: Solve for x
    x = 29,783,112.84/8,021.30
  6. Step 6: Final answer
    x = 3,713.00

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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.