Home / 5,625.58-8,438.39-1,729.96

Finding the Fourth Proportional to 5,625.58, 8,438.39 and 1,729.96

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Solution

The fourth proportional to 5,625.58, 8,438.39 and 1,729.96 is: 2,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.58 : 8,438.39 = 1,729.96 : x
  2. Step 2: Convert to fraction form
    5,625.58/8,438.39 = 1,729.96/x
  3. Step 3: Cross multiply
    5,625.58x = 8,438.39 × 1,729.96
  4. Step 4: Simplify right side
    5,625.58x = 14,598,077.16
  5. Step 5: Solve for x
    x = 14,598,077.16/5,625.58
  6. Step 6: Final answer
    x = 2,594.95

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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.