Home / 7,338.60-11,007.30-2,896.08

Finding the Fourth Proportional to 7,338.60, 11,007.30 and 2,896.08

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Solution

The fourth proportional to 7,338.60, 11,007.30 and 2,896.08 is: 4,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.60 : 11,007.30 = 2,896.08 : x
  2. Step 2: Convert to fraction form
    7,338.60/11,007.30 = 2,896.08/x
  3. Step 3: Cross multiply
    7,338.60x = 11,007.30 × 2,896.08
  4. Step 4: Simplify right side
    7,338.60x = 31,878,057.23
  5. Step 5: Solve for x
    x = 31,878,057.23/7,338.60
  6. Step 6: Final answer
    x = 4,343.89

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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.