Home / 5,126.82-7,075.38-3,002.40

Finding the Fourth Proportional to 5,126.82, 7,075.38 and 3,002.40

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Solution

The fourth proportional to 5,126.82, 7,075.38 and 3,002.40 is: 4,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.82 : 7,075.38 = 3,002.40 : x
  2. Step 2: Convert to fraction form
    5,126.82/7,075.38 = 3,002.40/x
  3. Step 3: Cross multiply
    5,126.82x = 7,075.38 × 3,002.40
  4. Step 4: Simplify right side
    5,126.82x = 21,243,120.91
  5. Step 5: Solve for x
    x = 21,243,120.91/5,126.82
  6. Step 6: Final answer
    x = 4,143.53

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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.