Home / 7,399.49-11,089.52-3,505.01

Finding the Fourth Proportional to 7,399.49, 11,089.52 and 3,505.01

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Solution

The fourth proportional to 7,399.49, 11,089.52 and 3,505.01 is: 5,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.49 : 11,089.52 = 3,505.01 : x
  2. Step 2: Convert to fraction form
    7,399.49/11,089.52 = 3,505.01/x
  3. Step 3: Cross multiply
    7,399.49x = 11,089.52 × 3,505.01
  4. Step 4: Simplify right side
    7,399.49x = 38,868,878.50
  5. Step 5: Solve for x
    x = 38,868,878.50/7,399.49
  6. Step 6: Final answer
    x = 5,252.91

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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.