Home / 5,417.10-8,125.94-1,719.62

Finding the Fourth Proportional to 5,417.10, 8,125.94 and 1,719.62

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Solution

The fourth proportional to 5,417.10, 8,125.94 and 1,719.62 is: 2,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.10 : 8,125.94 = 1,719.62 : x
  2. Step 2: Convert to fraction form
    5,417.10/8,125.94 = 1,719.62/x
  3. Step 3: Cross multiply
    5,417.10x = 8,125.94 × 1,719.62
  4. Step 4: Simplify right side
    5,417.10x = 13,973,479.72
  5. Step 5: Solve for x
    x = 13,973,479.72/5,417.10
  6. Step 6: Final answer
    x = 2,579.51

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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.