Home / 4,840.98-6,684.32-3,720.15

Finding the Fourth Proportional to 4,840.98, 6,684.32 and 3,720.15

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Solution

The fourth proportional to 4,840.98, 6,684.32 and 3,720.15 is: 5,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.98 : 6,684.32 = 3,720.15 : x
  2. Step 2: Convert to fraction form
    4,840.98/6,684.32 = 3,720.15/x
  3. Step 3: Cross multiply
    4,840.98x = 6,684.32 × 3,720.15
  4. Step 4: Simplify right side
    4,840.98x = 24,866,673.05
  5. Step 5: Solve for x
    x = 24,866,673.05/4,840.98
  6. Step 6: Final answer
    x = 5,136.70

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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.