Home / 8,538.26-12,803.31-4,380.26

Finding the Fourth Proportional to 8,538.26, 12,803.31 and 4,380.26

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Solution

The fourth proportional to 8,538.26, 12,803.31 and 4,380.26 is: 6,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.26 : 12,803.31 = 4,380.26 : x
  2. Step 2: Convert to fraction form
    8,538.26/12,803.31 = 4,380.26/x
  3. Step 3: Cross multiply
    8,538.26x = 12,803.31 × 4,380.26
  4. Step 4: Simplify right side
    8,538.26x = 56,081,826.66
  5. Step 5: Solve for x
    x = 56,081,826.66/8,538.26
  6. Step 6: Final answer
    x = 6,568.30

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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.