Home / 8,185.28-11,295.74-4,459.28

Finding the Fourth Proportional to 8,185.28, 11,295.74 and 4,459.28

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Solution

The fourth proportional to 8,185.28, 11,295.74 and 4,459.28 is: 6,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.28 : 11,295.74 = 4,459.28 : x
  2. Step 2: Convert to fraction form
    8,185.28/11,295.74 = 4,459.28/x
  3. Step 3: Cross multiply
    8,185.28x = 11,295.74 × 4,459.28
  4. Step 4: Simplify right side
    8,185.28x = 50,370,867.47
  5. Step 5: Solve for x
    x = 50,370,867.47/8,185.28
  6. Step 6: Final answer
    x = 6,153.84

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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.