Home / 7,485.60-11,231.06-3,325.24

Finding the Fourth Proportional to 7,485.60, 11,231.06 and 3,325.24

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Solution

The fourth proportional to 7,485.60, 11,231.06 and 3,325.24 is: 4,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.60 : 11,231.06 = 3,325.24 : x
  2. Step 2: Convert to fraction form
    7,485.60/11,231.06 = 3,325.24/x
  3. Step 3: Cross multiply
    7,485.60x = 11,231.06 × 3,325.24
  4. Step 4: Simplify right side
    7,485.60x = 37,345,969.95
  5. Step 5: Solve for x
    x = 37,345,969.95/7,485.60
  6. Step 6: Final answer
    x = 4,989.04

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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.