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Finding the Fourth Proportional to 7,373.80, 11,054.22 and 3,482.92

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Solution

The fourth proportional to 7,373.80, 11,054.22 and 3,482.92 is: 5,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.80 : 11,054.22 = 3,482.92 : x
  2. Step 2: Convert to fraction form
    7,373.80/11,054.22 = 3,482.92/x
  3. Step 3: Cross multiply
    7,373.80x = 11,054.22 × 3,482.92
  4. Step 4: Simplify right side
    7,373.80x = 38,500,963.92
  5. Step 5: Solve for x
    x = 38,500,963.92/7,373.80
  6. Step 6: Final answer
    x = 5,221.32

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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.