Home / 7,375.18-11,069.72-4,911.72

Finding the Fourth Proportional to 7,375.18, 11,069.72 and 4,911.72

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Solution

The fourth proportional to 7,375.18, 11,069.72 and 4,911.72 is: 7,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.18 : 11,069.72 = 4,911.72 : x
  2. Step 2: Convert to fraction form
    7,375.18/11,069.72 = 4,911.72/x
  3. Step 3: Cross multiply
    7,375.18x = 11,069.72 × 4,911.72
  4. Step 4: Simplify right side
    7,375.18x = 54,371,365.12
  5. Step 5: Solve for x
    x = 54,371,365.12/7,375.18
  6. Step 6: Final answer
    x = 7,372.21

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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.