Home / 8,427.40-12,642.86-3,233.24

Finding the Fourth Proportional to 8,427.40, 12,642.86 and 3,233.24

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Solution

The fourth proportional to 8,427.40, 12,642.86 and 3,233.24 is: 4,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.40 : 12,642.86 = 3,233.24 : x
  2. Step 2: Convert to fraction form
    8,427.40/12,642.86 = 3,233.24/x
  3. Step 3: Cross multiply
    8,427.40x = 12,642.86 × 3,233.24
  4. Step 4: Simplify right side
    8,427.40x = 40,877,400.67
  5. Step 5: Solve for x
    x = 40,877,400.67/8,427.40
  6. Step 6: Final answer
    x = 4,850.54

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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.