Home / 4,636.40-6,397.80-2,540.56

Finding the Fourth Proportional to 4,636.40, 6,397.80 and 2,540.56

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Solution

The fourth proportional to 4,636.40, 6,397.80 and 2,540.56 is: 3,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.40 : 6,397.80 = 2,540.56 : x
  2. Step 2: Convert to fraction form
    4,636.40/6,397.80 = 2,540.56/x
  3. Step 3: Cross multiply
    4,636.40x = 6,397.80 × 2,540.56
  4. Step 4: Simplify right side
    4,636.40x = 16,253,994.77
  5. Step 5: Solve for x
    x = 16,253,994.77/4,636.40
  6. Step 6: Final answer
    x = 3,505.74

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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.