Home / 4,479.56-6,719.36-1,557.90

Finding the Fourth Proportional to 4,479.56, 6,719.36 and 1,557.90

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Solution

The fourth proportional to 4,479.56, 6,719.36 and 1,557.90 is: 2,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.56 : 6,719.36 = 1,557.90 : x
  2. Step 2: Convert to fraction form
    4,479.56/6,719.36 = 1,557.90/x
  3. Step 3: Cross multiply
    4,479.56x = 6,719.36 × 1,557.90
  4. Step 4: Simplify right side
    4,479.56x = 10,468,090.94
  5. Step 5: Solve for x
    x = 10,468,090.94/4,479.56
  6. Step 6: Final answer
    x = 2,336.86

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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.