Home / 8,131.94-11,223.07-4,775.06

Finding the Fourth Proportional to 8,131.94, 11,223.07 and 4,775.06

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Solution

The fourth proportional to 8,131.94, 11,223.07 and 4,775.06 is: 6,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.94 : 11,223.07 = 4,775.06 : x
  2. Step 2: Convert to fraction form
    8,131.94/11,223.07 = 4,775.06/x
  3. Step 3: Cross multiply
    8,131.94x = 11,223.07 × 4,775.06
  4. Step 4: Simplify right side
    8,131.94x = 53,590,871.25
  5. Step 5: Solve for x
    x = 53,590,871.25/8,131.94
  6. Step 6: Final answer
    x = 6,590.17

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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.