Home / 8,220.15-12,331.53-2,673.05

Finding the Fourth Proportional to 8,220.15, 12,331.53 and 2,673.05

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Solution

The fourth proportional to 8,220.15, 12,331.53 and 2,673.05 is: 4,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.15 : 12,331.53 = 2,673.05 : x
  2. Step 2: Convert to fraction form
    8,220.15/12,331.53 = 2,673.05/x
  3. Step 3: Cross multiply
    8,220.15x = 12,331.53 × 2,673.05
  4. Step 4: Simplify right side
    8,220.15x = 32,962,734.61
  5. Step 5: Solve for x
    x = 32,962,734.61/8,220.15
  6. Step 6: Final answer
    x = 4,009.99

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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.