Home / 8,185.12-11,295.36-4,459.20

Finding the Fourth Proportional to 8,185.12, 11,295.36 and 4,459.20

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Solution

The fourth proportional to 8,185.12, 11,295.36 and 4,459.20 is: 6,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.12 : 11,295.36 = 4,459.20 : x
  2. Step 2: Convert to fraction form
    8,185.12/11,295.36 = 4,459.20/x
  3. Step 3: Cross multiply
    8,185.12x = 11,295.36 × 4,459.20
  4. Step 4: Simplify right side
    8,185.12x = 50,368,269.31
  5. Step 5: Solve for x
    x = 50,368,269.31/8,185.12
  6. Step 6: Final answer
    x = 6,153.64

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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.