Home / 6,873.20-10,288.20-5,404.40

Finding the Fourth Proportional to 6,873.20, 10,288.20 and 5,404.40

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Solution

The fourth proportional to 6,873.20, 10,288.20 and 5,404.40 is: 8,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.20 : 10,288.20 = 5,404.40 : x
  2. Step 2: Convert to fraction form
    6,873.20/10,288.20 = 5,404.40/x
  3. Step 3: Cross multiply
    6,873.20x = 10,288.20 × 5,404.40
  4. Step 4: Simplify right side
    6,873.20x = 55,601,548.08
  5. Step 5: Solve for x
    x = 55,601,548.08/6,873.20
  6. Step 6: Final answer
    x = 8,089.62

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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.