Home / 7,419.39-11,044.32-7,308.67

Finding the Fourth Proportional to 7,419.39, 11,044.32 and 7,308.67

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Solution

The fourth proportional to 7,419.39, 11,044.32 and 7,308.67 is: 10,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.39 : 11,044.32 = 7,308.67 : x
  2. Step 2: Convert to fraction form
    7,419.39/11,044.32 = 7,308.67/x
  3. Step 3: Cross multiply
    7,419.39x = 11,044.32 × 7,308.67
  4. Step 4: Simplify right side
    7,419.39x = 80,719,290.25
  5. Step 5: Solve for x
    x = 80,719,290.25/7,419.39
  6. Step 6: Final answer
    x = 10,879.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.