Home / 7,153.59-10,727.49-2,991.39

Finding the Fourth Proportional to 7,153.59, 10,727.49 and 2,991.39

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Solution

The fourth proportional to 7,153.59, 10,727.49 and 2,991.39 is: 4,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.59 : 10,727.49 = 2,991.39 : x
  2. Step 2: Convert to fraction form
    7,153.59/10,727.49 = 2,991.39/x
  3. Step 3: Cross multiply
    7,153.59x = 10,727.49 × 2,991.39
  4. Step 4: Simplify right side
    7,153.59x = 32,090,106.31
  5. Step 5: Solve for x
    x = 32,090,106.31/7,153.59
  6. Step 6: Final answer
    x = 4,485.87

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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.