Home / 5,488.97-8,234.25-1,790.43

Finding the Fourth Proportional to 5,488.97, 8,234.25 and 1,790.43

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Solution

The fourth proportional to 5,488.97, 8,234.25 and 1,790.43 is: 2,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.97 : 8,234.25 = 1,790.43 : x
  2. Step 2: Convert to fraction form
    5,488.97/8,234.25 = 1,790.43/x
  3. Step 3: Cross multiply
    5,488.97x = 8,234.25 × 1,790.43
  4. Step 4: Simplify right side
    5,488.97x = 14,742,848.23
  5. Step 5: Solve for x
    x = 14,742,848.23/5,488.97
  6. Step 6: Final answer
    x = 2,685.91

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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.