Home / 7,404.90-11,109.11-2,210.64

Finding the Fourth Proportional to 7,404.90, 11,109.11 and 2,210.64

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Solution

The fourth proportional to 7,404.90, 11,109.11 and 2,210.64 is: 3,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.90 : 11,109.11 = 2,210.64 : x
  2. Step 2: Convert to fraction form
    7,404.90/11,109.11 = 2,210.64/x
  3. Step 3: Cross multiply
    7,404.90x = 11,109.11 × 2,210.64
  4. Step 4: Simplify right side
    7,404.90x = 24,558,242.93
  5. Step 5: Solve for x
    x = 24,558,242.93/7,404.90
  6. Step 6: Final answer
    x = 3,316.49

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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.