Home / 5,055.40-7,579.84-2,132.92

Finding the Fourth Proportional to 5,055.40, 7,579.84 and 2,132.92

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Solution

The fourth proportional to 5,055.40, 7,579.84 and 2,132.92 is: 3,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.40 : 7,579.84 = 2,132.92 : x
  2. Step 2: Convert to fraction form
    5,055.40/7,579.84 = 2,132.92/x
  3. Step 3: Cross multiply
    5,055.40x = 7,579.84 × 2,132.92
  4. Step 4: Simplify right side
    5,055.40x = 16,167,192.33
  5. Step 5: Solve for x
    x = 16,167,192.33/5,055.40
  6. Step 6: Final answer
    x = 3,198.00

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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.