Home / 5,238.10-7,858.31-1,729.19

Finding the Fourth Proportional to 5,238.10, 7,858.31 and 1,729.19

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Solution

The fourth proportional to 5,238.10, 7,858.31 and 1,729.19 is: 2,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.10 : 7,858.31 = 1,729.19 : x
  2. Step 2: Convert to fraction form
    5,238.10/7,858.31 = 1,729.19/x
  3. Step 3: Cross multiply
    5,238.10x = 7,858.31 × 1,729.19
  4. Step 4: Simplify right side
    5,238.10x = 13,588,492.60
  5. Step 5: Solve for x
    x = 13,588,492.60/5,238.10
  6. Step 6: Final answer
    x = 2,594.17

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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.