Home / 7,488.36-11,228.96-2,556.68

Finding the Fourth Proportional to 7,488.36, 11,228.96 and 2,556.68

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Solution

The fourth proportional to 7,488.36, 11,228.96 and 2,556.68 is: 3,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.36 : 11,228.96 = 2,556.68 : x
  2. Step 2: Convert to fraction form
    7,488.36/11,228.96 = 2,556.68/x
  3. Step 3: Cross multiply
    7,488.36x = 11,228.96 × 2,556.68
  4. Step 4: Simplify right side
    7,488.36x = 28,708,807.70
  5. Step 5: Solve for x
    x = 28,708,807.70/7,488.36
  6. Step 6: Final answer
    x = 3,833.79

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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.