Home / 6,412.60-8,849.37-3,618.10

Finding the Fourth Proportional to 6,412.60, 8,849.37 and 3,618.10

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Solution

The fourth proportional to 6,412.60, 8,849.37 and 3,618.10 is: 4,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.60 : 8,849.37 = 3,618.10 : x
  2. Step 2: Convert to fraction form
    6,412.60/8,849.37 = 3,618.10/x
  3. Step 3: Cross multiply
    6,412.60x = 8,849.37 × 3,618.10
  4. Step 4: Simplify right side
    6,412.60x = 32,017,905.60
  5. Step 5: Solve for x
    x = 32,017,905.60/6,412.60
  6. Step 6: Final answer
    x = 4,992.97

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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.