Home / 5,525.30-8,285.10-1,629.20

Finding the Fourth Proportional to 5,525.30, 8,285.10 and 1,629.20

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Solution

The fourth proportional to 5,525.30, 8,285.10 and 1,629.20 is: 2,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.30 : 8,285.10 = 1,629.20 : x
  2. Step 2: Convert to fraction form
    5,525.30/8,285.10 = 1,629.20/x
  3. Step 3: Cross multiply
    5,525.30x = 8,285.10 × 1,629.20
  4. Step 4: Simplify right side
    5,525.30x = 13,498,084.92
  5. Step 5: Solve for x
    x = 13,498,084.92/5,525.30
  6. Step 6: Final answer
    x = 2,442.96

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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.