Home / 5,370.40-8,054.52-3,419.92

Finding the Fourth Proportional to 5,370.40, 8,054.52 and 3,419.92

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Solution

The fourth proportional to 5,370.40, 8,054.52 and 3,419.92 is: 5,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.40 : 8,054.52 = 3,419.92 : x
  2. Step 2: Convert to fraction form
    5,370.40/8,054.52 = 3,419.92/x
  3. Step 3: Cross multiply
    5,370.40x = 8,054.52 × 3,419.92
  4. Step 4: Simplify right side
    5,370.40x = 27,545,814.04
  5. Step 5: Solve for x
    x = 27,545,814.04/5,370.40
  6. Step 6: Final answer
    x = 5,129.19

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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.