Home / 4,479.91-6,721.50-1,559.05

Finding the Fourth Proportional to 4,479.91, 6,721.50 and 1,559.05

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Solution

The fourth proportional to 4,479.91, 6,721.50 and 1,559.05 is: 2,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.91 : 6,721.50 = 1,559.05 : x
  2. Step 2: Convert to fraction form
    4,479.91/6,721.50 = 1,559.05/x
  3. Step 3: Cross multiply
    4,479.91x = 6,721.50 × 1,559.05
  4. Step 4: Simplify right side
    4,479.91x = 10,479,143.62
  5. Step 5: Solve for x
    x = 10,479,143.62/4,479.91
  6. Step 6: Final answer
    x = 2,339.14

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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.