Home / 5,126.59-7,075.04-3,865.42

Finding the Fourth Proportional to 5,126.59, 7,075.04 and 3,865.42

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Solution

The fourth proportional to 5,126.59, 7,075.04 and 3,865.42 is: 5,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.59 : 7,075.04 = 3,865.42 : x
  2. Step 2: Convert to fraction form
    5,126.59/7,075.04 = 3,865.42/x
  3. Step 3: Cross multiply
    5,126.59x = 7,075.04 × 3,865.42
  4. Step 4: Simplify right side
    5,126.59x = 27,348,001.12
  5. Step 5: Solve for x
    x = 27,348,001.12/5,126.59
  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.