Home / 8,538.59-11,782.89-6,299.66

Finding the Fourth Proportional to 8,538.59, 11,782.89 and 6,299.66

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Solution

The fourth proportional to 8,538.59, 11,782.89 and 6,299.66 is: 8,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.59 : 11,782.89 = 6,299.66 : x
  2. Step 2: Convert to fraction form
    8,538.59/11,782.89 = 6,299.66/x
  3. Step 3: Cross multiply
    8,538.59x = 11,782.89 × 6,299.66
  4. Step 4: Simplify right side
    8,538.59x = 74,228,200.82
  5. Step 5: Solve for x
    x = 74,228,200.82/8,538.59
  6. Step 6: Final answer
    x = 8,693.26

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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.