Home / 8,746.39-13,120.29-2,742.06

Finding the Fourth Proportional to 8,746.39, 13,120.29 and 2,742.06

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Solution

The fourth proportional to 8,746.39, 13,120.29 and 2,742.06 is: 4,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.39 : 13,120.29 = 2,742.06 : x
  2. Step 2: Convert to fraction form
    8,746.39/13,120.29 = 2,742.06/x
  3. Step 3: Cross multiply
    8,746.39x = 13,120.29 × 2,742.06
  4. Step 4: Simplify right side
    8,746.39x = 35,976,622.40
  5. Step 5: Solve for x
    x = 35,976,622.40/8,746.39
  6. Step 6: Final answer
    x = 4,113.31

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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.