Home / 5,126.52-7,074.49-2,888.36

Finding the Fourth Proportional to 5,126.52, 7,074.49 and 2,888.36

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Solution

The fourth proportional to 5,126.52, 7,074.49 and 2,888.36 is: 3,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.52 : 7,074.49 = 2,888.36 : x
  2. Step 2: Convert to fraction form
    5,126.52/7,074.49 = 2,888.36/x
  3. Step 3: Cross multiply
    5,126.52x = 7,074.49 × 2,888.36
  4. Step 4: Simplify right side
    5,126.52x = 20,433,673.94
  5. Step 5: Solve for x
    x = 20,433,673.94/5,126.52
  6. Step 6: Final answer
    x = 3,985.88

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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.