Home / 5,414.04-8,118.63-2,490.75

Finding the Fourth Proportional to 5,414.04, 8,118.63 and 2,490.75

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Solution

The fourth proportional to 5,414.04, 8,118.63 and 2,490.75 is: 3,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.04 : 8,118.63 = 2,490.75 : x
  2. Step 2: Convert to fraction form
    5,414.04/8,118.63 = 2,490.75/x
  3. Step 3: Cross multiply
    5,414.04x = 8,118.63 × 2,490.75
  4. Step 4: Simplify right side
    5,414.04x = 20,221,477.67
  5. Step 5: Solve for x
    x = 20,221,477.67/5,414.04
  6. Step 6: Final answer
    x = 3,735.01

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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.