Home / 7,488.92-11,233.64-2,808.45

Finding the Fourth Proportional to 7,488.92, 11,233.64 and 2,808.45

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Solution

The fourth proportional to 7,488.92, 11,233.64 and 2,808.45 is: 4,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.92 : 11,233.64 = 2,808.45 : x
  2. Step 2: Convert to fraction form
    7,488.92/11,233.64 = 2,808.45/x
  3. Step 3: Cross multiply
    7,488.92x = 11,233.64 × 2,808.45
  4. Step 4: Simplify right side
    7,488.92x = 31,549,123.28
  5. Step 5: Solve for x
    x = 31,549,123.28/7,488.92
  6. Step 6: Final answer
    x = 4,212.78

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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.