Home / 8,746.07-13,118.92-2,172.17

Finding the Fourth Proportional to 8,746.07, 13,118.92 and 2,172.17

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Solution

The fourth proportional to 8,746.07, 13,118.92 and 2,172.17 is: 3,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.07 : 13,118.92 = 2,172.17 : x
  2. Step 2: Convert to fraction form
    8,746.07/13,118.92 = 2,172.17/x
  3. Step 3: Cross multiply
    8,746.07x = 13,118.92 × 2,172.17
  4. Step 4: Simplify right side
    8,746.07x = 28,496,551.82
  5. Step 5: Solve for x
    x = 28,496,551.82/8,746.07
  6. Step 6: Final answer
    x = 3,258.21

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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.