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Finding the Fourth Proportional to 7,692.73, 11,543.96 and 4,412.23

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Solution

The fourth proportional to 7,692.73, 11,543.96 and 4,412.23 is: 6,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.73 : 11,543.96 = 4,412.23 : x
  2. Step 2: Convert to fraction form
    7,692.73/11,543.96 = 4,412.23/x
  3. Step 3: Cross multiply
    7,692.73x = 11,543.96 × 4,412.23
  4. Step 4: Simplify right side
    7,692.73x = 50,934,555.71
  5. Step 5: Solve for x
    x = 50,934,555.71/7,692.73
  6. Step 6: Final answer
    x = 6,621.13

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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.