Home / 6,815.61-10,220.31-2,652.48

Finding the Fourth Proportional to 6,815.61, 10,220.31 and 2,652.48

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Solution

The fourth proportional to 6,815.61, 10,220.31 and 2,652.48 is: 3,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.61 : 10,220.31 = 2,652.48 : x
  2. Step 2: Convert to fraction form
    6,815.61/10,220.31 = 2,652.48/x
  3. Step 3: Cross multiply
    6,815.61x = 10,220.31 × 2,652.48
  4. Step 4: Simplify right side
    6,815.61x = 27,109,167.87
  5. Step 5: Solve for x
    x = 27,109,167.87/6,815.61
  6. Step 6: Final answer
    x = 3,977.51

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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.