Home / 8,329.23-11,489.31-5,495.58

Finding the Fourth Proportional to 8,329.23, 11,489.31 and 5,495.58

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Solution

The fourth proportional to 8,329.23, 11,489.31 and 5,495.58 is: 7,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.23 : 11,489.31 = 5,495.58 : x
  2. Step 2: Convert to fraction form
    8,329.23/11,489.31 = 5,495.58/x
  3. Step 3: Cross multiply
    8,329.23x = 11,489.31 × 5,495.58
  4. Step 4: Simplify right side
    8,329.23x = 63,140,422.25
  5. Step 5: Solve for x
    x = 63,140,422.25/8,329.23
  6. Step 6: Final answer
    x = 7,580.58

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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.