Home / 5,317.58-7,976.66-1,619.93

Finding the Fourth Proportional to 5,317.58, 7,976.66 and 1,619.93

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Solution

The fourth proportional to 5,317.58, 7,976.66 and 1,619.93 is: 2,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.58 : 7,976.66 = 1,619.93 : x
  2. Step 2: Convert to fraction form
    5,317.58/7,976.66 = 1,619.93/x
  3. Step 3: Cross multiply
    5,317.58x = 7,976.66 × 1,619.93
  4. Step 4: Simplify right side
    5,317.58x = 12,921,595.00
  5. Step 5: Solve for x
    x = 12,921,595.00/5,317.58
  6. Step 6: Final answer
    x = 2,429.98

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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.