Home / 4,679.61-6,454.65-3,186.93

Finding the Fourth Proportional to 4,679.61, 6,454.65 and 3,186.93

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Solution

The fourth proportional to 4,679.61, 6,454.65 and 3,186.93 is: 4,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.61 : 6,454.65 = 3,186.93 : x
  2. Step 2: Convert to fraction form
    4,679.61/6,454.65 = 3,186.93/x
  3. Step 3: Cross multiply
    4,679.61x = 6,454.65 × 3,186.93
  4. Step 4: Simplify right side
    4,679.61x = 20,570,517.72
  5. Step 5: Solve for x
    x = 20,570,517.72/4,679.61
  6. Step 6: Final answer
    x = 4,395.78

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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.