Home / 4,479.74-6,719.66-1,359.76

Finding the Fourth Proportional to 4,479.74, 6,719.66 and 1,359.76

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Solution

The fourth proportional to 4,479.74, 6,719.66 and 1,359.76 is: 2,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.74 : 6,719.66 = 1,359.76 : x
  2. Step 2: Convert to fraction form
    4,479.74/6,719.66 = 1,359.76/x
  3. Step 3: Cross multiply
    4,479.74x = 6,719.66 × 1,359.76
  4. Step 4: Simplify right side
    4,479.74x = 9,137,124.88
  5. Step 5: Solve for x
    x = 9,137,124.88/4,479.74
  6. Step 6: Final answer
    x = 2,039.66

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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.