Home / 8,863.13-13,290.64-2,620.92

Finding the Fourth Proportional to 8,863.13, 13,290.64 and 2,620.92

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Solution

The fourth proportional to 8,863.13, 13,290.64 and 2,620.92 is: 3,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.13 : 13,290.64 = 2,620.92 : x
  2. Step 2: Convert to fraction form
    8,863.13/13,290.64 = 2,620.92/x
  3. Step 3: Cross multiply
    8,863.13x = 13,290.64 × 2,620.92
  4. Step 4: Simplify right side
    8,863.13x = 34,833,704.19
  5. Step 5: Solve for x
    x = 34,833,704.19/8,863.13
  6. Step 6: Final answer
    x = 3,930.18

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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.