Home / 8,376.30-12,563.55-2,220.30

Finding the Fourth Proportional to 8,376.30, 12,563.55 and 2,220.30

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Solution

The fourth proportional to 8,376.30, 12,563.55 and 2,220.30 is: 3,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.30 : 12,563.55 = 2,220.30 : x
  2. Step 2: Convert to fraction form
    8,376.30/12,563.55 = 2,220.30/x
  3. Step 3: Cross multiply
    8,376.30x = 12,563.55 × 2,220.30
  4. Step 4: Simplify right side
    8,376.30x = 27,894,850.07
  5. Step 5: Solve for x
    x = 27,894,850.07/8,376.30
  6. Step 6: Final answer
    x = 3,330.21

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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.