Home / 4,266.90-6,403.10-1,636.70

Finding the Fourth Proportional to 4,266.90, 6,403.10 and 1,636.70

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Solution

The fourth proportional to 4,266.90, 6,403.10 and 1,636.70 is: 2,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.90 : 6,403.10 = 1,636.70 : x
  2. Step 2: Convert to fraction form
    4,266.90/6,403.10 = 1,636.70/x
  3. Step 3: Cross multiply
    4,266.90x = 6,403.10 × 1,636.70
  4. Step 4: Simplify right side
    4,266.90x = 10,479,913.57
  5. Step 5: Solve for x
    x = 10,479,913.57/4,266.90
  6. Step 6: Final answer
    x = 2,456.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.