Home / 4,841.80-6,684.88-3,720.70

Finding the Fourth Proportional to 4,841.80, 6,684.88 and 3,720.70

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Solution

The fourth proportional to 4,841.80, 6,684.88 and 3,720.70 is: 5,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.80 : 6,684.88 = 3,720.70 : x
  2. Step 2: Convert to fraction form
    4,841.80/6,684.88 = 3,720.70/x
  3. Step 3: Cross multiply
    4,841.80x = 6,684.88 × 3,720.70
  4. Step 4: Simplify right side
    4,841.80x = 24,872,433.02
  5. Step 5: Solve for x
    x = 24,872,433.02/4,841.80
  6. Step 6: Final answer
    x = 5,137.02

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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.