Home / 6,412.05-8,848.64-3,723.79

Finding the Fourth Proportional to 6,412.05, 8,848.64 and 3,723.79

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Solution

The fourth proportional to 6,412.05, 8,848.64 and 3,723.79 is: 5,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.05 : 8,848.64 = 3,723.79 : x
  2. Step 2: Convert to fraction form
    6,412.05/8,848.64 = 3,723.79/x
  3. Step 3: Cross multiply
    6,412.05x = 8,848.64 × 3,723.79
  4. Step 4: Simplify right side
    6,412.05x = 32,950,477.15
  5. Step 5: Solve for x
    x = 32,950,477.15/6,412.05
  6. Step 6: Final answer
    x = 5,138.84

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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.