Home / 8,260.90-12,390.44-2,417.56

Finding the Fourth Proportional to 8,260.90, 12,390.44 and 2,417.56

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Solution

The fourth proportional to 8,260.90, 12,390.44 and 2,417.56 is: 3,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.90 : 12,390.44 = 2,417.56 : x
  2. Step 2: Convert to fraction form
    8,260.90/12,390.44 = 2,417.56/x
  3. Step 3: Cross multiply
    8,260.90x = 12,390.44 × 2,417.56
  4. Step 4: Simplify right side
    8,260.90x = 29,954,589.06
  5. Step 5: Solve for x
    x = 29,954,589.06/8,260.90
  6. Step 6: Final answer
    x = 3,626.07

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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.