Home / 6,815.48-10,226.10-2,921.72

Finding the Fourth Proportional to 6,815.48, 10,226.10 and 2,921.72

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Solution

The fourth proportional to 6,815.48, 10,226.10 and 2,921.72 is: 4,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.48 : 10,226.10 = 2,921.72 : x
  2. Step 2: Convert to fraction form
    6,815.48/10,226.10 = 2,921.72/x
  3. Step 3: Cross multiply
    6,815.48x = 10,226.10 × 2,921.72
  4. Step 4: Simplify right side
    6,815.48x = 29,877,800.89
  5. Step 5: Solve for x
    x = 29,877,800.89/6,815.48
  6. Step 6: Final answer
    x = 4,383.81

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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.