Home / 6,412.12-8,848.78-3,723.92

Finding the Fourth Proportional to 6,412.12, 8,848.78 and 3,723.92

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Solution

The fourth proportional to 6,412.12, 8,848.78 and 3,723.92 is: 5,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.12 : 8,848.78 = 3,723.92 : x
  2. Step 2: Convert to fraction form
    6,412.12/8,848.78 = 3,723.92/x
  3. Step 3: Cross multiply
    6,412.12x = 8,848.78 × 3,723.92
  4. Step 4: Simplify right side
    6,412.12x = 32,952,148.82
  5. Step 5: Solve for x
    x = 32,952,148.82/6,412.12
  6. Step 6: Final answer
    x = 5,139.04

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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.