Home / 8,195.07-11,313.64-5,009.11

Finding the Fourth Proportional to 8,195.07, 11,313.64 and 5,009.11

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Solution

The fourth proportional to 8,195.07, 11,313.64 and 5,009.11 is: 6,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.07 : 11,313.64 = 5,009.11 : x
  2. Step 2: Convert to fraction form
    8,195.07/11,313.64 = 5,009.11/x
  3. Step 3: Cross multiply
    8,195.07x = 11,313.64 × 5,009.11
  4. Step 4: Simplify right side
    8,195.07x = 56,671,245.24
  5. Step 5: Solve for x
    x = 56,671,245.24/8,195.07
  6. Step 6: Final answer
    x = 6,915.28

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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.