Home / 5,619.25-7,754.57-3,135.25

Finding the Fourth Proportional to 5,619.25, 7,754.57 and 3,135.25

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Solution

The fourth proportional to 5,619.25, 7,754.57 and 3,135.25 is: 4,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.25 : 7,754.57 = 3,135.25 : x
  2. Step 2: Convert to fraction form
    5,619.25/7,754.57 = 3,135.25/x
  3. Step 3: Cross multiply
    5,619.25x = 7,754.57 × 3,135.25
  4. Step 4: Simplify right side
    5,619.25x = 24,312,515.59
  5. Step 5: Solve for x
    x = 24,312,515.59/5,619.25
  6. Step 6: Final answer
    x = 4,326.65

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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.