Home / 5,619.94-8,429.18-1,724.02

Finding the Fourth Proportional to 5,619.94, 8,429.18 and 1,724.02

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Solution

The fourth proportional to 5,619.94, 8,429.18 and 1,724.02 is: 2,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.94 : 8,429.18 = 1,724.02 : x
  2. Step 2: Convert to fraction form
    5,619.94/8,429.18 = 1,724.02/x
  3. Step 3: Cross multiply
    5,619.94x = 8,429.18 × 1,724.02
  4. Step 4: Simplify right side
    5,619.94x = 14,532,032.76
  5. Step 5: Solve for x
    x = 14,532,032.76/5,619.94
  6. Step 6: Final answer
    x = 2,585.80

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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.