Home / 4,169.90-6,246.45-2,605.10

Finding the Fourth Proportional to 4,169.90, 6,246.45 and 2,605.10

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Solution

The fourth proportional to 4,169.90, 6,246.45 and 2,605.10 is: 3,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.90 : 6,246.45 = 2,605.10 : x
  2. Step 2: Convert to fraction form
    4,169.90/6,246.45 = 2,605.10/x
  3. Step 3: Cross multiply
    4,169.90x = 6,246.45 × 2,605.10
  4. Step 4: Simplify right side
    4,169.90x = 16,272,626.90
  5. Step 5: Solve for x
    x = 16,272,626.90/4,169.90
  6. Step 6: Final answer
    x = 3,902.40

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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.