Home / 4,479.64-6,719.76-1,192.66

Finding the Fourth Proportional to 4,479.64, 6,719.76 and 1,192.66

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Solution

The fourth proportional to 4,479.64, 6,719.76 and 1,192.66 is: 1,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.64 : 6,719.76 = 1,192.66 : x
  2. Step 2: Convert to fraction form
    4,479.64/6,719.76 = 1,192.66/x
  3. Step 3: Cross multiply
    4,479.64x = 6,719.76 × 1,192.66
  4. Step 4: Simplify right side
    4,479.64x = 8,014,372.16
  5. Step 5: Solve for x
    x = 8,014,372.16/4,479.64
  6. Step 6: Final answer
    x = 1,789.07

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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.