Home / 6,419.45-9,626.45-2,521.13

Finding the Fourth Proportional to 6,419.45, 9,626.45 and 2,521.13

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Solution

The fourth proportional to 6,419.45, 9,626.45 and 2,521.13 is: 3,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.45 : 9,626.45 = 2,521.13 : x
  2. Step 2: Convert to fraction form
    6,419.45/9,626.45 = 2,521.13/x
  3. Step 3: Cross multiply
    6,419.45x = 9,626.45 × 2,521.13
  4. Step 4: Simplify right side
    6,419.45x = 24,269,471.15
  5. Step 5: Solve for x
    x = 24,269,471.15/6,419.45
  6. Step 6: Final answer
    x = 3,780.61

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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.