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Finding the Fourth Proportional to 6,152.49, 9,230.20 and 1,992.50

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Solution

The fourth proportional to 6,152.49, 9,230.20 and 1,992.50 is: 2,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,152.49 : 9,230.20 = 1,992.50 : x
  2. Step 2: Convert to fraction form
    6,152.49/9,230.20 = 1,992.50/x
  3. Step 3: Cross multiply
    6,152.49x = 9,230.20 × 1,992.50
  4. Step 4: Simplify right side
    6,152.49x = 18,391,173.50
  5. Step 5: Solve for x
    x = 18,391,173.50/6,152.49
  6. Step 6: Final answer
    x = 2,989.22

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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.