Home / 8,025.24-12,030.57-3,640.31

Finding the Fourth Proportional to 8,025.24, 12,030.57 and 3,640.31

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Solution

The fourth proportional to 8,025.24, 12,030.57 and 3,640.31 is: 5,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.24 : 12,030.57 = 3,640.31 : x
  2. Step 2: Convert to fraction form
    8,025.24/12,030.57 = 3,640.31/x
  3. Step 3: Cross multiply
    8,025.24x = 12,030.57 × 3,640.31
  4. Step 4: Simplify right side
    8,025.24x = 43,794,944.12
  5. Step 5: Solve for x
    x = 43,794,944.12/8,025.24
  6. Step 6: Final answer
    x = 5,457.15

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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.