Home / 8,195.01-11,307.42-5,209.76

Finding the Fourth Proportional to 8,195.01, 11,307.42 and 5,209.76

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Solution

The fourth proportional to 8,195.01, 11,307.42 and 5,209.76 is: 7,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.01 : 11,307.42 = 5,209.76 : x
  2. Step 2: Convert to fraction form
    8,195.01/11,307.42 = 5,209.76/x
  3. Step 3: Cross multiply
    8,195.01x = 11,307.42 × 5,209.76
  4. Step 4: Simplify right side
    8,195.01x = 58,908,887.88
  5. Step 5: Solve for x
    x = 58,908,887.88/8,195.01
  6. Step 6: Final answer
    x = 7,188.39

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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.