Home / 4,187.15-5,776.27-2,507.75

Finding the Fourth Proportional to 4,187.15, 5,776.27 and 2,507.75

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Solution

The fourth proportional to 4,187.15, 5,776.27 and 2,507.75 is: 3,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.15 : 5,776.27 = 2,507.75 : x
  2. Step 2: Convert to fraction form
    4,187.15/5,776.27 = 2,507.75/x
  3. Step 3: Cross multiply
    4,187.15x = 5,776.27 × 2,507.75
  4. Step 4: Simplify right side
    4,187.15x = 14,485,441.09
  5. Step 5: Solve for x
    x = 14,485,441.09/4,187.15
  6. Step 6: Final answer
    x = 3,459.50

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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.