Home / 7,338.80-11,008.68-2,956.28

Finding the Fourth Proportional to 7,338.80, 11,008.68 and 2,956.28

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Solution

The fourth proportional to 7,338.80, 11,008.68 and 2,956.28 is: 4,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.80 : 11,008.68 = 2,956.28 : x
  2. Step 2: Convert to fraction form
    7,338.80/11,008.68 = 2,956.28/x
  3. Step 3: Cross multiply
    7,338.80x = 11,008.68 × 2,956.28
  4. Step 4: Simplify right side
    7,338.80x = 32,544,740.51
  5. Step 5: Solve for x
    x = 32,544,740.51/7,338.80
  6. Step 6: Final answer
    x = 4,434.61

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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.