Home / 8,380.20-12,570.32-2,832.06

Finding the Fourth Proportional to 8,380.20, 12,570.32 and 2,832.06

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Solution

The fourth proportional to 8,380.20, 12,570.32 and 2,832.06 is: 4,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.20 : 12,570.32 = 2,832.06 : x
  2. Step 2: Convert to fraction form
    8,380.20/12,570.32 = 2,832.06/x
  3. Step 3: Cross multiply
    8,380.20x = 12,570.32 × 2,832.06
  4. Step 4: Simplify right side
    8,380.20x = 35,599,900.46
  5. Step 5: Solve for x
    x = 35,599,900.46/8,380.20
  6. Step 6: Final answer
    x = 4,248.10

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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.