Home / 4,480.14-6,185.40-2,887.50

Finding the Fourth Proportional to 4,480.14, 6,185.40 and 2,887.50

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Solution

The fourth proportional to 4,480.14, 6,185.40 and 2,887.50 is: 3,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.14 : 6,185.40 = 2,887.50 : x
  2. Step 2: Convert to fraction form
    4,480.14/6,185.40 = 2,887.50/x
  3. Step 3: Cross multiply
    4,480.14x = 6,185.40 × 2,887.50
  4. Step 4: Simplify right side
    4,480.14x = 17,860,342.50
  5. Step 5: Solve for x
    x = 17,860,342.50/4,480.14
  6. Step 6: Final answer
    x = 3,986.56

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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.