Home / 5,789.13-8,682.12-1,628.88

Finding the Fourth Proportional to 5,789.13, 8,682.12 and 1,628.88

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Solution

The fourth proportional to 5,789.13, 8,682.12 and 1,628.88 is: 2,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.13 : 8,682.12 = 1,628.88 : x
  2. Step 2: Convert to fraction form
    5,789.13/8,682.12 = 1,628.88/x
  3. Step 3: Cross multiply
    5,789.13x = 8,682.12 × 1,628.88
  4. Step 4: Simplify right side
    5,789.13x = 14,142,131.63
  5. Step 5: Solve for x
    x = 14,142,131.63/5,789.13
  6. Step 6: Final answer
    x = 2,442.88

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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.