Home / 7,631.61-11,442.99-2,365.21

Finding the Fourth Proportional to 7,631.61, 11,442.99 and 2,365.21

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Solution

The fourth proportional to 7,631.61, 11,442.99 and 2,365.21 is: 3,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.61 : 11,442.99 = 2,365.21 : x
  2. Step 2: Convert to fraction form
    7,631.61/11,442.99 = 2,365.21/x
  3. Step 3: Cross multiply
    7,631.61x = 11,442.99 × 2,365.21
  4. Step 4: Simplify right side
    7,631.61x = 27,065,074.38
  5. Step 5: Solve for x
    x = 27,065,074.38/7,631.61
  6. Step 6: Final answer
    x = 3,546.44

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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.