Home / 8,133.72-11,195.64-5,771.76

Finding the Fourth Proportional to 8,133.72, 11,195.64 and 5,771.76

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Solution

The fourth proportional to 8,133.72, 11,195.64 and 5,771.76 is: 7,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.72 : 11,195.64 = 5,771.76 : x
  2. Step 2: Convert to fraction form
    8,133.72/11,195.64 = 5,771.76/x
  3. Step 3: Cross multiply
    8,133.72x = 11,195.64 × 5,771.76
  4. Step 4: Simplify right side
    8,133.72x = 64,618,547.13
  5. Step 5: Solve for x
    x = 64,618,547.13/8,133.72
  6. Step 6: Final answer
    x = 7,944.53

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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.