Home / 4,639.90-6,402.36-2,650.09

Finding the Fourth Proportional to 4,639.90, 6,402.36 and 2,650.09

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Solution

The fourth proportional to 4,639.90, 6,402.36 and 2,650.09 is: 3,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.90 : 6,402.36 = 2,650.09 : x
  2. Step 2: Convert to fraction form
    4,639.90/6,402.36 = 2,650.09/x
  3. Step 3: Cross multiply
    4,639.90x = 6,402.36 × 2,650.09
  4. Step 4: Simplify right side
    4,639.90x = 16,966,830.21
  5. Step 5: Solve for x
    x = 16,966,830.21/4,639.90
  6. Step 6: Final answer
    x = 3,656.72

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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.