Home / 8,366.02-11,539.06-7,105.09

Finding the Fourth Proportional to 8,366.02, 11,539.06 and 7,105.09

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Solution

The fourth proportional to 8,366.02, 11,539.06 and 7,105.09 is: 9,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.02 : 11,539.06 = 7,105.09 : x
  2. Step 2: Convert to fraction form
    8,366.02/11,539.06 = 7,105.09/x
  3. Step 3: Cross multiply
    8,366.02x = 11,539.06 × 7,105.09
  4. Step 4: Simplify right side
    8,366.02x = 81,986,059.82
  5. Step 5: Solve for x
    x = 81,986,059.82/8,366.02
  6. Step 6: Final answer
    x = 9,799.89

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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.