Home / 4,680.59-6,449.37-3,185.87

Finding the Fourth Proportional to 4,680.59, 6,449.37 and 3,185.87

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Solution

The fourth proportional to 4,680.59, 6,449.37 and 3,185.87 is: 4,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.59 : 6,449.37 = 3,185.87 : x
  2. Step 2: Convert to fraction form
    4,680.59/6,449.37 = 3,185.87/x
  3. Step 3: Cross multiply
    4,680.59x = 6,449.37 × 3,185.87
  4. Step 4: Simplify right side
    4,680.59x = 20,546,854.40
  5. Step 5: Solve for x
    x = 20,546,854.40/4,680.59
  6. Step 6: Final answer
    x = 4,389.80

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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.