Home / 7,402.32-11,103.48-3,709.08

Finding the Fourth Proportional to 7,402.32, 11,103.48 and 3,709.08

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Solution

The fourth proportional to 7,402.32, 11,103.48 and 3,709.08 is: 5,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.32 : 11,103.48 = 3,709.08 : x
  2. Step 2: Convert to fraction form
    7,402.32/11,103.48 = 3,709.08/x
  3. Step 3: Cross multiply
    7,402.32x = 11,103.48 × 3,709.08
  4. Step 4: Simplify right side
    7,402.32x = 41,183,695.60
  5. Step 5: Solve for x
    x = 41,183,695.60/7,402.32
  6. Step 6: Final answer
    x = 5,563.62

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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.