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Finding the Fourth Proportional to 7,010.10, 10,517.11 and 2,079.63

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Solution

The fourth proportional to 7,010.10, 10,517.11 and 2,079.63 is: 3,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.10 : 10,517.11 = 2,079.63 : x
  2. Step 2: Convert to fraction form
    7,010.10/10,517.11 = 2,079.63/x
  3. Step 3: Cross multiply
    7,010.10x = 10,517.11 × 2,079.63
  4. Step 4: Simplify right side
    7,010.10x = 21,871,692.27
  5. Step 5: Solve for x
    x = 21,871,692.27/7,010.10
  6. Step 6: Final answer
    x = 3,120.03

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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.