Home / 6,746.22-10,120.05-1,815.93

Finding the Fourth Proportional to 6,746.22, 10,120.05 and 1,815.93

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Solution

The fourth proportional to 6,746.22, 10,120.05 and 1,815.93 is: 2,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.22 : 10,120.05 = 1,815.93 : x
  2. Step 2: Convert to fraction form
    6,746.22/10,120.05 = 1,815.93/x
  3. Step 3: Cross multiply
    6,746.22x = 10,120.05 × 1,815.93
  4. Step 4: Simplify right side
    6,746.22x = 18,377,302.40
  5. Step 5: Solve for x
    x = 18,377,302.40/6,746.22
  6. Step 6: Final answer
    x = 2,724.09

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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.