Home / 5,126.98-7,075.07-3,239.58

Finding the Fourth Proportional to 5,126.98, 7,075.07 and 3,239.58

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Solution

The fourth proportional to 5,126.98, 7,075.07 and 3,239.58 is: 4,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.98 : 7,075.07 = 3,239.58 : x
  2. Step 2: Convert to fraction form
    5,126.98/7,075.07 = 3,239.58/x
  3. Step 3: Cross multiply
    5,126.98x = 7,075.07 × 3,239.58
  4. Step 4: Simplify right side
    5,126.98x = 22,920,203.70
  5. Step 5: Solve for x
    x = 22,920,203.70/5,126.98
  6. Step 6: Final answer
    x = 4,470.51

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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.