Home / 4,745.30-7,118.70-1,625.60

Finding the Fourth Proportional to 4,745.30, 7,118.70 and 1,625.60

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Solution

The fourth proportional to 4,745.30, 7,118.70 and 1,625.60 is: 2,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.30 : 7,118.70 = 1,625.60 : x
  2. Step 2: Convert to fraction form
    4,745.30/7,118.70 = 1,625.60/x
  3. Step 3: Cross multiply
    4,745.30x = 7,118.70 × 1,625.60
  4. Step 4: Simplify right side
    4,745.30x = 11,572,158.72
  5. Step 5: Solve for x
    x = 11,572,158.72/4,745.30
  6. Step 6: Final answer
    x = 2,438.66

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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.