Home / 7,333.92-11,005.20-2,720.16

Finding the Fourth Proportional to 7,333.92, 11,005.20 and 2,720.16

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Solution

The fourth proportional to 7,333.92, 11,005.20 and 2,720.16 is: 4,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.92 : 11,005.20 = 2,720.16 : x
  2. Step 2: Convert to fraction form
    7,333.92/11,005.20 = 2,720.16/x
  3. Step 3: Cross multiply
    7,333.92x = 11,005.20 × 2,720.16
  4. Step 4: Simplify right side
    7,333.92x = 29,935,904.83
  5. Step 5: Solve for x
    x = 29,935,904.83/7,333.92
  6. Step 6: Final answer
    x = 4,081.84

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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.