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Finding the Fourth Proportional to 22,460.50, 33,690.62 and 5,820.49

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Solution

The fourth proportional to 22,460.50, 33,690.62 and 5,820.49 is: 8,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.50 : 33,690.62 = 5,820.49 : x
  2. Step 2: Convert to fraction form
    22,460.50/33,690.62 = 5,820.49/x
  3. Step 3: Cross multiply
    22,460.50x = 33,690.62 × 5,820.49
  4. Step 4: Simplify right side
    22,460.50x = 196,095,887.70
  5. Step 5: Solve for x
    x = 196,095,887.70/22,460.50
  6. Step 6: Final answer
    x = 8,730.70

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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.