Home / 7,488.68-11,234.36-2,558.20

Finding the Fourth Proportional to 7,488.68, 11,234.36 and 2,558.20

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Solution

The fourth proportional to 7,488.68, 11,234.36 and 2,558.20 is: 3,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.68 : 11,234.36 = 2,558.20 : x
  2. Step 2: Convert to fraction form
    7,488.68/11,234.36 = 2,558.20/x
  3. Step 3: Cross multiply
    7,488.68x = 11,234.36 × 2,558.20
  4. Step 4: Simplify right side
    7,488.68x = 28,739,739.75
  5. Step 5: Solve for x
    x = 28,739,739.75/7,488.68
  6. Step 6: Final answer
    x = 3,837.76

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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.