Home / 5,778.07-7,965.34-3,538.52

Finding the Fourth Proportional to 5,778.07, 7,965.34 and 3,538.52

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Solution

The fourth proportional to 5,778.07, 7,965.34 and 3,538.52 is: 4,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.07 : 7,965.34 = 3,538.52 : x
  2. Step 2: Convert to fraction form
    5,778.07/7,965.34 = 3,538.52/x
  3. Step 3: Cross multiply
    5,778.07x = 7,965.34 × 3,538.52
  4. Step 4: Simplify right side
    5,778.07x = 28,185,496.09
  5. Step 5: Solve for x
    x = 28,185,496.09/5,778.07
  6. Step 6: Final answer
    x = 4,878.01

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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.