Home / 5,412.96-8,118.36-2,490.84

Finding the Fourth Proportional to 5,412.96, 8,118.36 and 2,490.84

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Solution

The fourth proportional to 5,412.96, 8,118.36 and 2,490.84 is: 3,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.96 : 8,118.36 = 2,490.84 : x
  2. Step 2: Convert to fraction form
    5,412.96/8,118.36 = 2,490.84/x
  3. Step 3: Cross multiply
    5,412.96x = 8,118.36 × 2,490.84
  4. Step 4: Simplify right side
    5,412.96x = 20,221,535.82
  5. Step 5: Solve for x
    x = 20,221,535.82/5,412.96
  6. Step 6: Final answer
    x = 3,735.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.