Home / 5,620.04-8,428.28-1,723.40

Finding the Fourth Proportional to 5,620.04, 8,428.28 and 1,723.40

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Solution

The fourth proportional to 5,620.04, 8,428.28 and 1,723.40 is: 2,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.04 : 8,428.28 = 1,723.40 : x
  2. Step 2: Convert to fraction form
    5,620.04/8,428.28 = 1,723.40/x
  3. Step 3: Cross multiply
    5,620.04x = 8,428.28 × 1,723.40
  4. Step 4: Simplify right side
    5,620.04x = 14,525,297.75
  5. Step 5: Solve for x
    x = 14,525,297.75/5,620.04
  6. Step 6: Final answer
    x = 2,584.55

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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.