Home / 7,401.25-11,107.36-3,505.67

Finding the Fourth Proportional to 7,401.25, 11,107.36 and 3,505.67

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Solution

The fourth proportional to 7,401.25, 11,107.36 and 3,505.67 is: 5,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.25 : 11,107.36 = 3,505.67 : x
  2. Step 2: Convert to fraction form
    7,401.25/11,107.36 = 3,505.67/x
  3. Step 3: Cross multiply
    7,401.25x = 11,107.36 × 3,505.67
  4. Step 4: Simplify right side
    7,401.25x = 38,938,721.20
  5. Step 5: Solve for x
    x = 38,938,721.20/7,401.25
  6. Step 6: Final answer
    x = 5,261.10

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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.