Home / 7,152.60-10,728.92-2,222.96

Finding the Fourth Proportional to 7,152.60, 10,728.92 and 2,222.96

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Solution

The fourth proportional to 7,152.60, 10,728.92 and 2,222.96 is: 3,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.60 : 10,728.92 = 2,222.96 : x
  2. Step 2: Convert to fraction form
    7,152.60/10,728.92 = 2,222.96/x
  3. Step 3: Cross multiply
    7,152.60x = 10,728.92 × 2,222.96
  4. Step 4: Simplify right side
    7,152.60x = 23,849,960.00
  5. Step 5: Solve for x
    x = 23,849,960.00/7,152.60
  6. Step 6: Final answer
    x = 3,334.45

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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.