Home / 7,403.64-11,105.48-2,209.40

Finding the Fourth Proportional to 7,403.64, 11,105.48 and 2,209.40

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Solution

The fourth proportional to 7,403.64, 11,105.48 and 2,209.40 is: 3,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.64 : 11,105.48 = 2,209.40 : x
  2. Step 2: Convert to fraction form
    7,403.64/11,105.48 = 2,209.40/x
  3. Step 3: Cross multiply
    7,403.64x = 11,105.48 × 2,209.40
  4. Step 4: Simplify right side
    7,403.64x = 24,536,447.51
  5. Step 5: Solve for x
    x = 24,536,447.51/7,403.64
  6. Step 6: Final answer
    x = 3,314.11

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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.