Home / 5,986.80-8,261.38-3,468.70

Finding the Fourth Proportional to 5,986.80, 8,261.38 and 3,468.70

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Solution

The fourth proportional to 5,986.80, 8,261.38 and 3,468.70 is: 4,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.80 : 8,261.38 = 3,468.70 : x
  2. Step 2: Convert to fraction form
    5,986.80/8,261.38 = 3,468.70/x
  3. Step 3: Cross multiply
    5,986.80x = 8,261.38 × 3,468.70
  4. Step 4: Simplify right side
    5,986.80x = 28,656,248.81
  5. Step 5: Solve for x
    x = 28,656,248.81/5,986.80
  6. Step 6: Final answer
    x = 4,786.57

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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.