Home / 5,554.56-8,342.64-4,087.92

Finding the Fourth Proportional to 5,554.56, 8,342.64 and 4,087.92

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Solution

The fourth proportional to 5,554.56, 8,342.64 and 4,087.92 is: 6,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.56 : 8,342.64 = 4,087.92 : x
  2. Step 2: Convert to fraction form
    5,554.56/8,342.64 = 4,087.92/x
  3. Step 3: Cross multiply
    5,554.56x = 8,342.64 × 4,087.92
  4. Step 4: Simplify right side
    5,554.56x = 34,104,044.91
  5. Step 5: Solve for x
    x = 34,104,044.91/5,554.56
  6. Step 6: Final answer
    x = 6,139.83

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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.