Home / 8,686.72-13,030.92-2,843.44

Finding the Fourth Proportional to 8,686.72, 13,030.92 and 2,843.44

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Solution

The fourth proportional to 8,686.72, 13,030.92 and 2,843.44 is: 4,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.72 : 13,030.92 = 2,843.44 : x
  2. Step 2: Convert to fraction form
    8,686.72/13,030.92 = 2,843.44/x
  3. Step 3: Cross multiply
    8,686.72x = 13,030.92 × 2,843.44
  4. Step 4: Simplify right side
    8,686.72x = 37,052,639.16
  5. Step 5: Solve for x
    x = 37,052,639.16/8,686.72
  6. Step 6: Final answer
    x = 4,265.43

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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.