Home / 5,453.12-8,179.86-1,504.70

Finding the Fourth Proportional to 5,453.12, 8,179.86 and 1,504.70

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Solution

The fourth proportional to 5,453.12, 8,179.86 and 1,504.70 is: 2,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.12 : 8,179.86 = 1,504.70 : x
  2. Step 2: Convert to fraction form
    5,453.12/8,179.86 = 1,504.70/x
  3. Step 3: Cross multiply
    5,453.12x = 8,179.86 × 1,504.70
  4. Step 4: Simplify right side
    5,453.12x = 12,308,235.34
  5. Step 5: Solve for x
    x = 12,308,235.34/5,453.12
  6. Step 6: Final answer
    x = 2,257.10

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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.