Home / 5,136.09-7,708.51-2,018.28

Finding the Fourth Proportional to 5,136.09, 7,708.51 and 2,018.28

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Solution

The fourth proportional to 5,136.09, 7,708.51 and 2,018.28 is: 3,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.09 : 7,708.51 = 2,018.28 : x
  2. Step 2: Convert to fraction form
    5,136.09/7,708.51 = 2,018.28/x
  3. Step 3: Cross multiply
    5,136.09x = 7,708.51 × 2,018.28
  4. Step 4: Simplify right side
    5,136.09x = 15,557,931.56
  5. Step 5: Solve for x
    x = 15,557,931.56/5,136.09
  6. Step 6: Final answer
    x = 3,029.14

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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.