Home / 8,106.21-11,186.37-4,569.39

Finding the Fourth Proportional to 8,106.21, 11,186.37 and 4,569.39

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Solution

The fourth proportional to 8,106.21, 11,186.37 and 4,569.39 is: 6,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.21 : 11,186.37 = 4,569.39 : x
  2. Step 2: Convert to fraction form
    8,106.21/11,186.37 = 4,569.39/x
  3. Step 3: Cross multiply
    8,106.21x = 11,186.37 × 4,569.39
  4. Step 4: Simplify right side
    8,106.21x = 51,114,887.21
  5. Step 5: Solve for x
    x = 51,114,887.21/8,106.21
  6. Step 6: Final answer
    x = 6,305.65

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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.