Home / 7,723.94-10,659-4,187.15

Finding the Fourth Proportional to 7,723.94, 10,659 and 4,187.15

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Solution

The fourth proportional to 7,723.94, 10,659 and 4,187.15 is: 5,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.94 : 10,659 = 4,187.15 : x
  2. Step 2: Convert to fraction form
    7,723.94/10,659 = 4,187.15/x
  3. Step 3: Cross multiply
    7,723.94x = 10,659 × 4,187.15
  4. Step 4: Simplify right side
    7,723.94x = 44,630,778.56
  5. Step 5: Solve for x
    x = 44,630,778.56/7,723.94
  6. Step 6: Final answer
    x = 5,778.24

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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.