Home / 8,162.49-11,246.88-5,505.30

Finding the Fourth Proportional to 8,162.49, 11,246.88 and 5,505.30

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Solution

The fourth proportional to 8,162.49, 11,246.88 and 5,505.30 is: 7,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.49 : 11,246.88 = 5,505.30 : x
  2. Step 2: Convert to fraction form
    8,162.49/11,246.88 = 5,505.30/x
  3. Step 3: Cross multiply
    8,162.49x = 11,246.88 × 5,505.30
  4. Step 4: Simplify right side
    8,162.49x = 61,917,448.46
  5. Step 5: Solve for x
    x = 61,917,448.46/8,162.49
  6. Step 6: Final answer
    x = 7,585.61

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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.