Home / 8,215.37-12,326.94-4,264.53

Finding the Fourth Proportional to 8,215.37, 12,326.94 and 4,264.53

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Solution

The fourth proportional to 8,215.37, 12,326.94 and 4,264.53 is: 6,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.37 : 12,326.94 = 4,264.53 : x
  2. Step 2: Convert to fraction form
    8,215.37/12,326.94 = 4,264.53/x
  3. Step 3: Cross multiply
    8,215.37x = 12,326.94 × 4,264.53
  4. Step 4: Simplify right side
    8,215.37x = 52,568,533.14
  5. Step 5: Solve for x
    x = 52,568,533.14/8,215.37
  6. Step 6: Final answer
    x = 6,398.80

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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.