Home / 4,636.60-6,398.40-2,540.68

Finding the Fourth Proportional to 4,636.60, 6,398.40 and 2,540.68

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Solution

The fourth proportional to 4,636.60, 6,398.40 and 2,540.68 is: 3,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.60 : 6,398.40 = 2,540.68 : x
  2. Step 2: Convert to fraction form
    4,636.60/6,398.40 = 2,540.68/x
  3. Step 3: Cross multiply
    4,636.60x = 6,398.40 × 2,540.68
  4. Step 4: Simplify right side
    4,636.60x = 16,256,286.91
  5. Step 5: Solve for x
    x = 16,256,286.91/4,636.60
  6. Step 6: Final answer
    x = 3,506.08

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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.