Home / 4,636.65-6,398.53-2,540.78

Finding the Fourth Proportional to 4,636.65, 6,398.53 and 2,540.78

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Solution

The fourth proportional to 4,636.65, 6,398.53 and 2,540.78 is: 3,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.65 : 6,398.53 = 2,540.78 : x
  2. Step 2: Convert to fraction form
    4,636.65/6,398.53 = 2,540.78/x
  3. Step 3: Cross multiply
    4,636.65x = 6,398.53 × 2,540.78
  4. Step 4: Simplify right side
    4,636.65x = 16,257,225.06
  5. Step 5: Solve for x
    x = 16,257,225.06/4,636.65
  6. Step 6: Final answer
    x = 3,506.24

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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.