Home / 5,126.60-7,075.04-3,865.43

Finding the Fourth Proportional to 5,126.60, 7,075.04 and 3,865.43

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Solution

The fourth proportional to 5,126.60, 7,075.04 and 3,865.43 is: 5,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.60 : 7,075.04 = 3,865.43 : x
  2. Step 2: Convert to fraction form
    5,126.60/7,075.04 = 3,865.43/x
  3. Step 3: Cross multiply
    5,126.60x = 7,075.04 × 3,865.43
  4. Step 4: Simplify right side
    5,126.60x = 27,348,017.16
  5. Step 5: Solve for x
    x = 27,348,017.16/5,126.60
  6. Step 6: Final answer
    x = 5,334.54

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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.