Home / 7,321.50-10,104.21-4,527.54

Finding the Fourth Proportional to 7,321.50, 10,104.21 and 4,527.54

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Solution

The fourth proportional to 7,321.50, 10,104.21 and 4,527.54 is: 6,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.50 : 10,104.21 = 4,527.54 : x
  2. Step 2: Convert to fraction form
    7,321.50/10,104.21 = 4,527.54/x
  3. Step 3: Cross multiply
    7,321.50x = 10,104.21 × 4,527.54
  4. Step 4: Simplify right side
    7,321.50x = 45,747,214.94
  5. Step 5: Solve for x
    x = 45,747,214.94/7,321.50
  6. Step 6: Final answer
    x = 6,248.34

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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.