Home / 8,144.51-11,237.33-5,120.10

Finding the Fourth Proportional to 8,144.51, 11,237.33 and 5,120.10

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Solution

The fourth proportional to 8,144.51, 11,237.33 and 5,120.10 is: 7,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.51 : 11,237.33 = 5,120.10 : x
  2. Step 2: Convert to fraction form
    8,144.51/11,237.33 = 5,120.10/x
  3. Step 3: Cross multiply
    8,144.51x = 11,237.33 × 5,120.10
  4. Step 4: Simplify right side
    8,144.51x = 57,536,266.13
  5. Step 5: Solve for x
    x = 57,536,266.13/8,144.51
  6. Step 6: Final answer
    x = 7,064.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.