Home / 5,648.08-7,793.76-3,289.72

Finding the Fourth Proportional to 5,648.08, 7,793.76 and 3,289.72

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Solution

The fourth proportional to 5,648.08, 7,793.76 and 3,289.72 is: 4,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.08 : 7,793.76 = 3,289.72 : x
  2. Step 2: Convert to fraction form
    5,648.08/7,793.76 = 3,289.72/x
  3. Step 3: Cross multiply
    5,648.08x = 7,793.76 × 3,289.72
  4. Step 4: Simplify right side
    5,648.08x = 25,639,288.15
  5. Step 5: Solve for x
    x = 25,639,288.15/5,648.08
  6. Step 6: Final answer
    x = 4,539.47

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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.