Home / 8,203.12-12,282.84-4,299.36

Finding the Fourth Proportional to 8,203.12, 12,282.84 and 4,299.36

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Solution

The fourth proportional to 8,203.12, 12,282.84 and 4,299.36 is: 6,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.12 : 12,282.84 = 4,299.36 : x
  2. Step 2: Convert to fraction form
    8,203.12/12,282.84 = 4,299.36/x
  3. Step 3: Cross multiply
    8,203.12x = 12,282.84 × 4,299.36
  4. Step 4: Simplify right side
    8,203.12x = 52,808,350.98
  5. Step 5: Solve for x
    x = 52,808,350.98/8,203.12
  6. Step 6: Final answer
    x = 6,437.59

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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.