Home / 7,748.57-10,692.99-4,211.84

Finding the Fourth Proportional to 7,748.57, 10,692.99 and 4,211.84

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Solution

The fourth proportional to 7,748.57, 10,692.99 and 4,211.84 is: 5,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.57 : 10,692.99 = 4,211.84 : x
  2. Step 2: Convert to fraction form
    7,748.57/10,692.99 = 4,211.84/x
  3. Step 3: Cross multiply
    7,748.57x = 10,692.99 × 4,211.84
  4. Step 4: Simplify right side
    7,748.57x = 45,037,109.54
  5. Step 5: Solve for x
    x = 45,037,109.54/7,748.57
  6. Step 6: Final answer
    x = 5,812.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.