Home / 7,136.19-10,725.54-5,911.47

Finding the Fourth Proportional to 7,136.19, 10,725.54 and 5,911.47

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Solution

The fourth proportional to 7,136.19, 10,725.54 and 5,911.47 is: 8,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.19 : 10,725.54 = 5,911.47 : x
  2. Step 2: Convert to fraction form
    7,136.19/10,725.54 = 5,911.47/x
  3. Step 3: Cross multiply
    7,136.19x = 10,725.54 × 5,911.47
  4. Step 4: Simplify right side
    7,136.19x = 63,403,707.94
  5. Step 5: Solve for x
    x = 63,403,707.94/7,136.19
  6. Step 6: Final answer
    x = 8,884.81

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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.