Home / 5,619.93-8,429.89-1,671.17

Finding the Fourth Proportional to 5,619.93, 8,429.89 and 1,671.17

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Solution

The fourth proportional to 5,619.93, 8,429.89 and 1,671.17 is: 2,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.93 : 8,429.89 = 1,671.17 : x
  2. Step 2: Convert to fraction form
    5,619.93/8,429.89 = 1,671.17/x
  3. Step 3: Cross multiply
    5,619.93x = 8,429.89 × 1,671.17
  4. Step 4: Simplify right side
    5,619.93x = 14,087,811.90
  5. Step 5: Solve for x
    x = 14,087,811.90/5,619.93
  6. Step 6: Final answer
    x = 2,506.76

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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.