Home / 4,479.08-6,180.95-2,489.67

Finding the Fourth Proportional to 4,479.08, 6,180.95 and 2,489.67

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Solution

The fourth proportional to 4,479.08, 6,180.95 and 2,489.67 is: 3,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.08 : 6,180.95 = 2,489.67 : x
  2. Step 2: Convert to fraction form
    4,479.08/6,180.95 = 2,489.67/x
  3. Step 3: Cross multiply
    4,479.08x = 6,180.95 × 2,489.67
  4. Step 4: Simplify right side
    4,479.08x = 15,388,525.79
  5. Step 5: Solve for x
    x = 15,388,525.79/4,479.08
  6. Step 6: Final answer
    x = 3,435.64

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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.