Home / 8,287.45-11,435.88-4,750.18

Finding the Fourth Proportional to 8,287.45, 11,435.88 and 4,750.18

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Solution

The fourth proportional to 8,287.45, 11,435.88 and 4,750.18 is: 6,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.45 : 11,435.88 = 4,750.18 : x
  2. Step 2: Convert to fraction form
    8,287.45/11,435.88 = 4,750.18/x
  3. Step 3: Cross multiply
    8,287.45x = 11,435.88 × 4,750.18
  4. Step 4: Simplify right side
    8,287.45x = 54,322,477.68
  5. Step 5: Solve for x
    x = 54,322,477.68/8,287.45
  6. Step 6: Final answer
    x = 6,554.79

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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.