Home / 5,479.45-7,555.68-3,590.39

Finding the Fourth Proportional to 5,479.45, 7,555.68 and 3,590.39

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Solution

The fourth proportional to 5,479.45, 7,555.68 and 3,590.39 is: 4,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.45 : 7,555.68 = 3,590.39 : x
  2. Step 2: Convert to fraction form
    5,479.45/7,555.68 = 3,590.39/x
  3. Step 3: Cross multiply
    5,479.45x = 7,555.68 × 3,590.39
  4. Step 4: Simplify right side
    5,479.45x = 27,127,856.80
  5. Step 5: Solve for x
    x = 27,127,856.80/5,479.45
  6. Step 6: Final answer
    x = 4,950.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.