Home / 5,619.04-8,429.84-1,723.20

Finding the Fourth Proportional to 5,619.04, 8,429.84 and 1,723.20

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Solution

The fourth proportional to 5,619.04, 8,429.84 and 1,723.20 is: 2,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.04 : 8,429.84 = 1,723.20 : x
  2. Step 2: Convert to fraction form
    5,619.04/8,429.84 = 1,723.20/x
  3. Step 3: Cross multiply
    5,619.04x = 8,429.84 × 1,723.20
  4. Step 4: Simplify right side
    5,619.04x = 14,526,300.29
  5. Step 5: Solve for x
    x = 14,526,300.29/5,619.04
  6. Step 6: Final answer
    x = 2,585.19

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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.