Home / 5,007.15-7,508.70-1,719.36

Finding the Fourth Proportional to 5,007.15, 7,508.70 and 1,719.36

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Solution

The fourth proportional to 5,007.15, 7,508.70 and 1,719.36 is: 2,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.15 : 7,508.70 = 1,719.36 : x
  2. Step 2: Convert to fraction form
    5,007.15/7,508.70 = 1,719.36/x
  3. Step 3: Cross multiply
    5,007.15x = 7,508.70 × 1,719.36
  4. Step 4: Simplify right side
    5,007.15x = 12,910,158.43
  5. Step 5: Solve for x
    x = 12,910,158.43/5,007.15
  6. Step 6: Final answer
    x = 2,578.34

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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.