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Finding the Fourth Proportional to 4,461.62, 6,692.43 and 2,151.50

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Solution

The fourth proportional to 4,461.62, 6,692.43 and 2,151.50 is: 3,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.62 : 6,692.43 = 2,151.50 : x
  2. Step 2: Convert to fraction form
    4,461.62/6,692.43 = 2,151.50/x
  3. Step 3: Cross multiply
    4,461.62x = 6,692.43 × 2,151.50
  4. Step 4: Simplify right side
    4,461.62x = 14,398,763.15
  5. Step 5: Solve for x
    x = 14,398,763.15/4,461.62
  6. Step 6: Final answer
    x = 3,227.25

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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.