Home / 5,126.91-7,075.17-3,003.70

Finding the Fourth Proportional to 5,126.91, 7,075.17 and 3,003.70

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Solution

The fourth proportional to 5,126.91, 7,075.17 and 3,003.70 is: 4,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.91 : 7,075.17 = 3,003.70 : x
  2. Step 2: Convert to fraction form
    5,126.91/7,075.17 = 3,003.70/x
  3. Step 3: Cross multiply
    5,126.91x = 7,075.17 × 3,003.70
  4. Step 4: Simplify right side
    5,126.91x = 21,251,692.15
  5. Step 5: Solve for x
    x = 21,251,692.15/5,126.91
  6. Step 6: Final answer
    x = 4,145.13

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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.