Home / 5,527.30-7,628.70-3,169.44

Finding the Fourth Proportional to 5,527.30, 7,628.70 and 3,169.44

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Solution

The fourth proportional to 5,527.30, 7,628.70 and 3,169.44 is: 4,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.30 : 7,628.70 = 3,169.44 : x
  2. Step 2: Convert to fraction form
    5,527.30/7,628.70 = 3,169.44/x
  3. Step 3: Cross multiply
    5,527.30x = 7,628.70 × 3,169.44
  4. Step 4: Simplify right side
    5,527.30x = 24,178,718.40
  5. Step 5: Solve for x
    x = 24,178,718.40/5,527.30
  6. Step 6: Final answer
    x = 4,374.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.