Home / 8,746.36-13,113.33-2,821.41

Finding the Fourth Proportional to 8,746.36, 13,113.33 and 2,821.41

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Solution

The fourth proportional to 8,746.36, 13,113.33 and 2,821.41 is: 4,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.36 : 13,113.33 = 2,821.41 : x
  2. Step 2: Convert to fraction form
    8,746.36/13,113.33 = 2,821.41/x
  3. Step 3: Cross multiply
    8,746.36x = 13,113.33 × 2,821.41
  4. Step 4: Simplify right side
    8,746.36x = 36,998,080.40
  5. Step 5: Solve for x
    x = 36,998,080.40/8,746.36
  6. Step 6: Final answer
    x = 4,230.11

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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.