Home / 7,136.10-10,703.48-3,133.89

Finding the Fourth Proportional to 7,136.10, 10,703.48 and 3,133.89

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Solution

The fourth proportional to 7,136.10, 10,703.48 and 3,133.89 is: 4,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.10 : 10,703.48 = 3,133.89 : x
  2. Step 2: Convert to fraction form
    7,136.10/10,703.48 = 3,133.89/x
  3. Step 3: Cross multiply
    7,136.10x = 10,703.48 × 3,133.89
  4. Step 4: Simplify right side
    7,136.10x = 33,543,513.27
  5. Step 5: Solve for x
    x = 33,543,513.27/7,136.10
  6. Step 6: Final answer
    x = 4,700.54

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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.